US2609712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-speed gearing for bicycles
Assignee: Bendix Aviation Corp
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Filing: 1951-01-22
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Granted: 1952-09-09
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Expires: 1971-01-22
Abstract
No abstract record available.
Inventors
- 👤 Hood Edwin Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:12
CPC Classifications
B; B62; B62M; B62M9/00; B62M9/04; B62M9/06; B62M9/08; B62M9/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR745104A
Cited
GB190615298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |