US3508450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical drive transmission
Assignee: Caterpillar Inc
•
Filing: 1968-01-25
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Granted: 1970-04-28
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Expires: 1988-01-25
Abstract
No abstract record available.
Inventors
- 👤 Elmer A Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:05
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/093; F16H3/097; F16H61/00; F16H61/04; F16H61/0403; F16H61/70; F16H61/705; B; B60; B60K; B60K2702/00; B60K2702/08; B60K2702/10; B60K2702/14; F16H2003/0807; F16H2061/0411; F16H2061/0425; F16H2061/0429; F16H2200/00; F16H2200/003; F16H2200/0065; F16H2200/0082; F16H2200/0086; F16H2306/00; F16H2306/40; F16H2306/48; F16H3/006; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19284; Y10T74/19288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1284057A
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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) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |