Patent US2793893A successfully refreshed from Google Patents.
US2793893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for gates
Assignee: Individual
•
Filing: 1954-01-05
•
Granted: 1957-05-28
•
Expires: 1974-01-05
Abstract
No abstract record available.
Inventors
- 👤 Grover M Black
- 👤 Carroll N Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:28
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/0005; A01K1/0017; E; E05; E05B; E05B65/00; E05B65/0007; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T292/088; Y10T292/0894; Y10T292/0895; Y10T292/0902; Y10T292/0903
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |