US3557424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a composite drive wheel
Assignee: Borg Warner Corp
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Filing: 1969-04-02
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Granted: 1971-01-26
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Expires: 1989-04-02
Abstract
Abstract COMPOSITE SPROCKET AND DRIVE WHEEL DEVICES ARE DISCLOSED HEREIN TO PROVIDE AN ILLUSTRATION OF THIS INVENTION. THIS WHEEL INCLUDES A CIRCULAR PLATE BODY WHICH IS STAMPED AND FORMED WITH A LATERALLY EXTENDING FLANGE ALONG THE PERIPHERY THEREOF. PORTIONS OF THE FLANGE PROVIDE TOOTH ROOTS OVER WHICH A PLASTIC TOOTHED RIM IS MOLDED.
Inventors
- 👤 Hewart H Heathwaite
- 👤 Robert H Mead
- 👤 William T Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:27
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/4948; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |