US3489035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable ratio transmission
Assignee: Individual
•
Filing: 1968-06-20
•
Granted: 1970-01-13
•
Expires: 1988-06-20
Abstract
No abstract record available.
Inventors
- 👤 John George Giles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:16
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/02; F16H47/04; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H2037/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2235370A
Cited
US2390240A
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US2869397A
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US2924123A
Cited
US3055233A
Cited
US3132534A
Cited
US3266253A
Cited
US3405573A
Cited
US3431861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |