US3438283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple speed hub for a bicycle and like vehicle
Assignee: General Dynamics Corp
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Filing: 1967-01-31
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Granted: 1969-04-15
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Expires: 1987-01-31
Abstract
No abstract record available.
Inventors
- 👤 Hans Joachim Schwerdhofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:14
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; B; B62; B62M; B62M11/00; B62M11/04; B62M11/14; B62M11/16; F16H61/00; F16H61/02; F16H61/0293; F16H61/0295; F16H2200/00; F16H2200/20; F16H2200/2002; F16H2200/2007; F16H2718/00; F16H2718/08; F16H2718/10; F16H2718/12
Claims Analysis
Total Claims: 0
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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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |