US975037A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding-door lock.
Assignee: Individual
•
Filing: 1910-07-19
•
Granted: 1910-11-08
•
Expires: 1930-07-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Hettwer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:46
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/16; E05C3/162; Y; Y10; Y10S; Y10S292/00; Y10S292/45; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/0932; Y10T292/0945; Y10T292/0951; Y10T292/0956; Y10T292/68; Y10T292/705; Y10T292/707
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) | 1913-11-07 | 1914-05-09 | 1914-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-11-07 | 1918-05-09 | 1918-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-11-07 | 1922-05-09 | 1922-11-08 | $7700.00 | Window Closed / Lapsed |