Patent US1626381A successfully refreshed from Google Patents.
Patent US1923688A successfully refreshed from Google Patents.
US1923688A
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Doorlatch
Assignee: American Swiss Co
•
Filing: 1932-09-20
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Granted: 1933-08-22
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Expires: 1952-09-20
Abstract
No abstract record available.
Inventors
- 👤 Holden W Rightmyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:42
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; Y; Y10; Y10S; Y10S16/00; Y10S16/32; Y10S292/00; Y10S292/19; Y10S292/26; Y10T; Y10T292/00; Y10T292/03; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1055; Y10T292/42; Y10T292/444; Y10T292/68; Y10T292/696; Y10T70/00; Y10T70/80; Y10T70/8892
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) | 1936-08-21 | 1937-02-20 | 1937-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-21 | 1941-02-20 | 1941-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-21 | 1945-02-20 | 1945-08-22 | $7700.00 | Window Closed / Lapsed |