US2983637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear belt
Assignee: Russell Manufacturing Co
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Filing: 1958-12-23
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Granted: 1961-05-09
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Expires: 1978-12-23
Abstract
No abstract record available.
Inventors
- 👤 Richard S G Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:16
CPC Classifications
F; F16; F16G; F16G1/00; F16G1/28; B; B29; B29D; B29D29/00; B29D29/08; B32; B32B; B32B27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A MINIATURE GEAR BELT COMPRISING A PAIR OF LAYERS OF PARALLEL CORDS, THE CORDS IN EACH LAYER EXTENDING LONGITUDINALLY OF SAID BELT AND BEING DISPOSED IN THE FORM OF A COMPACT HELIX WITH ADJACENT CORDS IN CLOSE CONTACT, THE HELICES OF THE TWO LAYERS BEING OF OPPOSITE PITCH WHEREBY ANY TRANSVERSE COMPONENT OF THE LONGITUDINAL PULL OF SAID CORDS IS EQUALIZED, AND A CURED IMPREGNANT SURROUNDING SAID CORDS TO FORM THE BELT SURFACES, AT LEAST ONE OF SAID SURFACES HAVING THE FORM OF GEAR TEETH COMPOSED OF SAID IMPREGNANT, SAID TEETH INCLUDING LIPS OF SAID CURED IMPREGNANT EXTENDING ALONG
Claim 2
Dependent Claim
99 words
A MINIATURE GEAR BELT COMPRISING A PAIR OF LAYERS OF PARALLEL CORDS, THE CORDS IN EACH LAYER EXTENDING LONGITUDINALLY OF SAID BELT AND BEING DISPOSED IN THE FORM OF A COMPACT HELIX WITH ADJACENT CORDS IN CLOSE CONTACT, THE HELICES OF THE TWO LAYERS BEING OF OPPOSITE PITCH WHEREBY ANY TRANSVERSE COMPONENT OF THE LONGITUDINAL PULL OF SAID CORDS IS EQUALIZED, AND A CURED IMPREGNANT SURROUNDING SAID CORDS TO FORM THE BELT SURFACES, AT LEAST ONE OF SAID SURFACES HAVING THE FORM OF GEAR TEETH COMPOSED OF SAID IMPREGNANT, SAID TEETH INCLUDING LIPS OF SAID CURED IMPREGNANT EXTENDING ALONG
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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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |