US3049371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring held and biased latch
Assignee: Arrow Hart and Hegeman Electric Co
•
Filing: 1959-08-25
•
Granted: 1962-08-14
•
Expires: 1979-08-25
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Daly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:46
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/14; E05B; E05B67/00; E05B67/38; E05B67/383; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0934; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US604786A
Cited
US1298892A
Cited
US1597728A
Cited
US1661634A
Cited
GB495430A
Cited
US2300504A
Cited
US2712594A
Cited
US2794664A
Cited
US2926237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |