US3431994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric drive for bicycles
Assignee: Individual
•
Filing: 1967-06-13
•
Granted: 1969-03-11
•
Expires: 1987-06-13
Abstract
No abstract record available.
Inventors
- 👤 Garfield A Wood Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:55
CPC Classifications
B; B62; B62M; B62M6/00; B62M6/40; B62M6/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596273A
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US596274A
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US627066A
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US2491076A
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US2463349A
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US2920845A
Cited
US2990026A
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US3075599A
Cited
US3361917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |