US3419449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making transmission belts
Assignee: Gates Rubber Co
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Filing: 1965-08-02
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Granted: 1968-12-31
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Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Valcrio Panfilio A Di
- 👤 William A Skura
- 👤 John E O'donnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:04
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T24/00; Y10T24/16; Y10T24/1664
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A METHOD OF MAKING AN ENDLESS TRANSMISSION BELT COMPRISING THE STEPS OF: PROVIDING A PLURALITY OF DISCONTINUOUS BELT SECTIONS, EACH OF SAID SECTIONS COMPRISING A RUBBER BODY PORTION WITH SPACED TEETH EXTENDING TRANSVERSELY THEREOF AND A PLURALITY OF TENSION CORDS EMBEDDED LONGITUDINALLY IN SAID BODY PORTION, THE ENDS OF SAID CORDS EXTENDING OUTWARDLY FROM THE ENDS OF SAID BODY PORTION; ALIGNING THE ENDS OF SAID BELT SECTIONS SO THAT THE OUTERMOST TOOTH ON EACH END OF EACH SECTION IS SPACED A PREDETERMINED DISTANCE FROM THE OUTERMOST TOOTH ON AN ADJACENT SECTION AND SO THAT THE OPPOSED PAIRS OF CORRESPONDING CORDS OVERLAP; REMOVING PORTIONS OF SAID CORD ENDS IN A STAGGERED PATTERN SO THAT SAID OPPOSED CORRESPONDING CORDS NO LONGER OVERLAP AND SO THAT THE TOTAL LENGTH OF EACH PAIR OF SAID CORRESPONDING CORDS APPROXIMATES SAID PREDETERMINED DISTANCE; EMBEDDING SAID CORD ENDS IN RUBBER TO FORM AN ENDLESS RUBBER BODY PORTION; AND FORMING SPACED TRAVERSE TEETH ON SAID BODY PORTION BETWEEN SAID OUTERMOST TEETH.
Claim 2
Independent Claim
163 words
A METHOD OF MAKING AN ENDLESS TRANSMISSION BELT COMPRISING THE STEPS OF: PROVIDING A PLURALITY OF DISCONTINUOUS BELT SECTIONS, EACH OF SAID SECTIONS COMPRISING A RUBBER BODY PORTION WITH SPACED TEETH EXTENDING TRANSVERSELY THEREOF AND A PLURALITY OF TENSION CORDS EMBEDDED LONGITUDINALLY IN SAID BODY PORTION, THE ENDS OF SAID CORDS EXTENDING OUTWARDLY FROM THE ENDS OF SAID BODY PORTION; ALIGNING THE ENDS OF SAID BELT SECTIONS SO THAT THE OUTERMOST TOOTH ON EACH END OF EACH SECTION IS SPACED A PREDETERMINED DISTANCE FROM THE OUTERMOST TOOTH ON AN ADJACENT SECTION AND SO THAT THE OPPOSED PAIRS OF CORRESPONDING CORDS OVERLAP; REMOVING PORTIONS OF SAID CORD ENDS IN A STAGGERED PATTERN SO THAT SAID OPPOSED CORRESPONDING CORDS NO LONGER OVERLAP AND SO THAT THE TOTAL LENGTH OF EACH PAIR OF SAID CORRESPONDING CORDS APPROXIMATES SAID PREDETERMINED DISTANCE; EMBEDDING SAID CORD ENDS IN RUBBER TO FORM AN ENDLESS RUBBER BODY PORTION; AND FORMING SPACED TRAVERSE TEETH ON SAID BODY PORTION BETWEEN SAID OUTERMOST TEETH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |