US2591476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinged closure control
Assignee: Individual
•
Filing: 1945-10-09
•
Granted: 1952-04-01
•
Expires: 1965-10-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:32
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1028; E05D11/105; E05D11/1064; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1207; E05F1/1215; E05F3/00; E05F3/20; E05F1/002; E05F1/006; E05F3/22; E05F3/221; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/23; E05Y2201/232; E05Y2201/40; E05Y2201/404; E05Y2201/41; E05Y2201/43; E05Y2201/448; E05Y2201/458; E05Y2800/00; E05Y2800/25
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US496926A
Cited
US902730A
Cited
US969926A
Cited
US1241084A
Cited
US1526422A
Cited
US1686381A
Cited
US1621774A
Cited
US1701022A
Cited
US2072094A
Cited
US2103660A
Cited
US2184607A
Cited
US2166651A
Cited
US2200865A
Cited
US2230661A
Cited
US2434524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |