Patent US2654397A successfully refreshed from Google Patents.
US2654397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shed closing and pick-back mechanism
Assignee: Warner and Swasey Co
•
Filing: 1949-08-20
•
Granted: 1953-10-06
•
Expires: 1969-08-20
Abstract
No abstract record available.
Inventors
- 👤 Nicholas P Darash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:22
CPC Classifications
D; D03; D03D; D03D51/00; D03D51/04; D03C; D03C5/00; D03C5/005; D03D49/00; D03D49/04; D03D49/06; D03D49/10; D03D49/20; D03D49/24; D03D49/26; D03D49/28; D03D51/06; D03D51/08; D03D51/085; D03D51/18; D03D51/20; D03D51/28; D03D51/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US467036A
Cited
US891618A
Cited
US943028A
Cited
US1071245A
Cited
GB191406249A
Cited
US1759673A
Cited
US2148700A
Cited
US2421539A
Cited
US2452380A
Cited
US2439031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |