US1568434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window lock
Assignee: Individual
•
Filing: 1923-03-29
•
Granted: 1926-01-05
•
Expires: 1943-03-29
Abstract
No abstract record available.
Inventors
- 👤 Patrick H Winterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:47
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0864; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0983; Y10T292/0998; Y10T292/1014; Y10T292/1033; Y10T292/1099
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) | 1929-01-04 | 1929-07-06 | 1930-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-01-04 | 1933-07-06 | 1934-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-01-04 | 1937-07-06 | 1938-01-05 | $7700.00 | Window Closed / Lapsed |