US2561960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple speed composite gear for bicycle drives
Assignee: Individual
•
Filing: 1949-11-01
•
Granted: 1951-07-24
•
Expires: 1969-11-01
Abstract
No abstract record available.
Inventors
- 👤 Weaver Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:07
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/36; F16H3/366; B; B62; B62M; B62M11/00; B62M11/04; B62M11/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19353; Y10T74/1987; Y10T74/19893; Y10T74/19935
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US536550A
Cited
US555886A
Cited
GB189729760A
Cited
US1093827A
Cited
US1662557A
Cited
US1705933A
Cited
US2378634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |