Patent US2757631A successfully refreshed from Google Patents.
US2757631A
Expired / Lapsed
US
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Floating attachment for bicycles
Assignee: Individual
•
Filing: 1953-04-22
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Granted: 1956-08-07
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Expires: 1973-04-22
Abstract
No abstract record available.
Inventors
- 👤 Truter Ehrenfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:31
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/0061; B60F3/0084; B62; B62K; B62K3/00; B63; B63H; B63H16/00; B63H16/08; B63H16/20; B63H2016/202
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) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |