US2937399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge
Assignee: GRIFFIN MANUFACTURING Co
•
Filing: 1957-10-14
•
Granted: 1960-05-24
•
Expires: 1977-10-14
Abstract
No abstract record available.
Inventors
- 👤 Vore Raymond E De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:25
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/10; E05D7/1005; E05D7/1016; E05D5/00; E05D5/10; E05D5/12; E05D5/128
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1139912A
Cited
US1142542A
Cited
US1180192A
Cited
US2139193A
Cited
US2501581A
Cited
US2772441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |