Patent US1174652A successfully refreshed from Google Patents.
US1174652A
Expired / Lapsed
US
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Automatic twin door-latch.
Assignee: Individual
•
Filing: 1912-10-23
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Granted: 1916-03-07
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Expires: 1932-10-23
Abstract
No abstract record available.
Inventors
- 👤 Edmund H Banks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:33
CPC Classifications
E; E05; E05B; E05B7/00; E05C; E05C9/00; E05C9/04; E05C9/043; Y; Y10; Y10S; Y10S292/00; Y10S292/18; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/0837; Y10T292/0839; Y10T292/0844
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1919-03-07 | 1919-09-06 | 1920-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-03-07 | 1923-09-06 | 1924-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-03-07 | 1927-09-06 | 1928-03-07 | $7700.00 | Window Closed / Lapsed |