US2876873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door structure and latching assembly
Assignee: SANYMETAL PRODUCTS CO Inc
•
Filing: 1957-11-15
•
Granted: 1959-03-10
•
Expires: 1977-11-15
Abstract
No abstract record available.
Inventors
- 👤 Kent W Benham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:31
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/02; E05C1/06; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1016; Y10T292/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US241998A
Cited
US1430176A
Cited
US2240482A
Cited
US2677443A
Cited
US2664181A
Cited
US2776029A
Cited
US2795445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |