Patent US2635281A successfully refreshed from Google Patents.
US2635281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indexing hinge
Assignee: Individual
•
Filing: 1950-03-14
•
Granted: 1953-04-21
•
Expires: 1970-03-14
Abstract
No abstract record available.
Inventors
- 👤 Morris F Feldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:49
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1028; E05D11/1078
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1005136A
Cited
US1057570A
Cited
US1046486A
Cited
US1159529A
Cited
US1274490A
Cited
US2255599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |