Patent US1593227A successfully refreshed from Google Patents.
US1593227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doorlock
Assignee: CHARLIE H FRANCISCO
•
Filing: 1924-08-20
•
Granted: 1926-07-20
•
Expires: 1944-08-20
Abstract
No abstract record available.
Inventors
- 👤 James H Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:27
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/007; E05B; E05B63/00; E05B63/24; E05B63/244; Y; Y10; Y10S; Y10S292/00; Y10S292/40; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0989; Y10T292/14; Y10T292/68; Y10T292/688; Y10T292/696
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1929-07-19 | 1930-01-18 | 1930-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-07-19 | 1934-01-18 | 1934-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-07-19 | 1938-01-18 | 1938-07-20 | $7700.00 | Window Closed / Lapsed |