Patent US2913209A successfully refreshed from Google Patents.
Patent US2918318A successfully refreshed from Google Patents.
US2918318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety latch for closures
Assignee: Individual
•
Filing: 1957-05-31
•
Granted: 1959-12-22
•
Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Edward P Sacharski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:08
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/06; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0894; Y10T292/0895; Y10T292/0902; Y10T292/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US782023A
Cited
US1198504A
Cited
US1175775A
Cited
DE421500C
Cited
US1715300A
Cited
CH118661A
Cited
US2328757A
Cited
US2485189A
Cited
US2565636A
Cited
US2565906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |