Patents

70's / 80's / 90's

 
During its existence, numerous patents have been applied on Tonka Toys. Here you will find several known patents to me. The abstracts are directly copied from the patent.

Enjoy!

 

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Construction and Farming                           

 

Toy Road Grader

Nov. 28, 1972

 

 

 

 

Abstract

(as decribed at the patent)  

A toy road grader having a grader blade mounted crosswise on the underside of the front portion of the grader body which is yieldably held in raised position above the ground surface under spring tension and connected to an upright handle mounted on the body for rocker movement about a transverse axis wherby as the handle is swung forwardly it will lower the blaid against said spring tension into engagement with the ground surface. The blade is pivoted on a vertical axis and is adjustable between different locked angular position relative to the line  of travel. 

 

 

Toy Grader Blade

Dec. 26, 1972

 

 

Abstract

(as decribed at the patent)  

A miniature toy road grader having an elongated body supported on front and rear ground wheels for moving the body longitudinally along a line of travel, a grader blade mounted on the body intermediate the front and rear wheels to extend laterally at a trailing angle from one side of the body to engage the ground surface, the blade being pivoted to the body on an axis substantialy bisecting the angle between the blade in its lateral extension and the line of travel of the body wherby the blade may be swung upwardly and forwardly about the axis to a transport position beside the body and parallel to said line of travel. 

 

Toy Rotary Digger And Conveyor

May 8, 1973

 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Toy Bulldozer

April 1, 1975

 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Miniature Toy Fork Lift Vehicle 

Oct. 19, 1976

 
 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Note: 

This is the Mighty version. 

  

Toy Vehicle Plow Mounting

May 3, 1977

 
 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Toy Tractor

Sep. 2, 1975

 

 

Abstract

(as decribed at the patent)  

No abstract available.

 

  

Toy Tractor

Dec. 28, 1973

 
 

 

Abstract

(as decribed at the patent)  

No abstract available.

 

 

Toy Fork Lift Vehicle

Mar. 1, 1977

 
 

 

Abstract

(as decribed at the patent)  

No abstract available.

 

 

Toy Fork Lift

Mar. 14, 1978

 
 

 

Abstract

(as decribed at the patent)  

No abstract available.

 

 

Fire Trucks and Emergency

 

 

Ladder For Toy Fire Engine

May 29, 1973

 
 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Toy Fire Truck Body

June 25, 1970

 

 

Abstract

(as decribed at the patent)  

No abstract available.

 

 

Toy Vehicle Pumper

February 5, 1974

 
 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Turret Toy Vehicle

November 13, 1979

 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

 

Connection For Miniature Toy Vehicle Parts

June 15, 1976

 
 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Toy Fire Truck

April 21, 1981

 
 

 

Abstract

(as decribed at the patent)  

No abstract available.

 

 

Trucks

 

 

Toy Tow Truck

April 4, 1972

 
 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Toy Vehicle Cab Assembly

Oct 31, 1972

 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Miniature Toy Vehicle Construction

March 9, 1976

 
 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Part Assembly For Toy Vehicles Construction

May 4, 1976

 
 

 

Abstract

(as decribed at the patent)  

Will be published shortly.

 

 

Toy Truck Cab

Oct. 16, 1979

 

 

Abstract

(as decribed at the patent)  

No abstract available.

 

Cars

Will be published on short notice.

 

 

Others

Will be published on short notice.