US2883699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety butt hinge
Assignee: Individual
•
Filing: 1954-11-08
•
Granted: 1959-04-28
•
Expires: 1974-11-08
Abstract
No abstract record available.
Inventors
- 👤 Frank J Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:09
CPC Classifications
E; E05; E05D; E05D3/00; E05D3/06; E05D3/12; E06; E06B; E06B7/00; E06B7/28; E06B7/36; E05D3/02; E05D3/022; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1207; E05F1/1215; E05Y; E05Y2800/00; E05Y2800/40; E05Y2800/41
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US252770A
Cited
US822879A
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US900501A
Cited
US1474418A
Cited
US1821136A
Cited
US2164047A
Cited
US2177826A
Cited
US2497266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |