US2843873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butt hinge latch for closure devices
Assignee: Individual
•
Filing: 1957-02-14
•
Granted: 1958-07-22
•
Expires: 1977-02-14
Abstract
No abstract record available.
Inventors
- 👤 Carl J Slower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:13
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/06; E05D11/10; E05D11/1014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |