Patent US3429238A successfully refreshed from Google Patents.
Patent US1894913A successfully refreshed from Google Patents.
US1894913A
Expired / Lapsed
US
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Sliding doorlatch
Assignee: Individual
•
Filing: 1932-06-07
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Granted: 1933-01-17
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Expires: 1952-06-07
Abstract
No abstract record available.
Inventors
- 👤 Leo M Sadler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:19
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/02; E05C1/04; E05B; E05B67/00; E05B67/38; E05B67/383; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0951; Y10T292/0954; Y10T292/1043; Y10T292/1063; Y10T292/1064; Y10T292/1072; Y10T292/1075; Y10T292/1083; Y10T292/1086; Y10T292/68
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) | 1936-01-17 | 1936-07-18 | 1937-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-17 | 1940-07-18 | 1941-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-17 | 1944-07-18 | 1945-01-17 | $7700.00 | Window Closed / Lapsed |