US1719630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic locking device
Assignee: JUSTICE E SMITH
•
Filing: 1928-03-12
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Granted: 1929-07-02
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Expires: 1948-03-12
Abstract
No abstract record available.
Inventors
- 👤 Skardon T Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:48
CPC Classifications
B; B25; B25B; B25B1/00; B25B1/06; B25B1/08; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/309576; Y10T409/309912; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066
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) | 1932-07-01 | 1932-12-31 | 1933-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-07-01 | 1936-12-31 | 1937-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-07-01 | 1940-12-31 | 1941-07-02 | $7700.00 | Window Closed / Lapsed |