Patent US2646689A successfully refreshed from Google Patents.
US2646689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt pulley
Assignee: GORDON I MCNEIL
•
Filing: 1946-03-07
•
Granted: 1953-07-28
•
Expires: 1966-03-07
Abstract
No abstract record available.
Inventors
- 👤 George A Maher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:48
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US355555A
Cited
US940106A
Cited
US1266579A
Cited
GB191419611A
Cited
US1634438A
Cited
US1740087A
Cited
US2060322A
Cited
US2062629A
Cited
US2156920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |