Patent US2873471A successfully refreshed from Google Patents.
US2873471A
Expired / Lapsed
US
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Hinge catch
Assignee: Individual
•
Filing: 1956-04-30
•
Granted: 1959-02-17
•
Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Gunnar E Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:41
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/48; E05D15/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US479936A
Cited
US1414407A
Cited
US1229962A
Cited
US1366638A
Cited
GB323280A
Cited
US2374687A
Cited
US2349486A
Cited
US2472285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |