Unitary roll formed vehicle fender and apparatus and method for producing the same
Abstract
Abstract THIS DISCLOSURE RELATES TO A NOVEL UNITARY FENDER CONSTRUCTION FOR VEHICLES SUCH AS TRUCKS WITH DUAL OR TANDEM WHEELS PROVIDING, IN PARTICULAR, EASE OF ATTACHMENT, DURABILITY AND EFFECTIVE SPLASH PROTECTION. THE CONSTRUCTION INCLUDES AN ARCUATE PORTION CONFORMING TO THE CIRCUMFERENCE OF THE VEHICLE TIRE AND HAS LONGITUDINAL REINFORCING RIBS AS WELL AS INTEGRAL SIDE SKIRTS OR RETURNS. THE ARCUATE PORTION HAS A PLANAR CROSS SECTION EXCEPT FOR THE REINFORCING RIBS ALLOWING EASE OF INSTALLATION WITH FLAT BRACKETS. THE RIBS ARE SO POSITIONED AS TO ABSORB THE EXCESS METAL FROM THE SKIRT OR RETURN FORMATION. THE DISCLOSURE ALSO INCLUDES A TWO-ROLLER ROLL FORMING MACHINE WHICH FORMS THE ENTIRE FENDER INCLUDING TRANSVERSE AND LONGITUDINAL ING FENDERS OF A VARIETY OF DIAMETERS OR DESIGNS FOR DUAL OR TANDEM WHEELS.
Inventors
- 👤 Clark J Valentine
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |