US2784019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism
Assignee: Lawrence Brothers Inc
•
Filing: 1955-07-07
•
Granted: 1957-03-05
•
Expires: 1975-07-07
Abstract
No abstract record available.
Inventors
- 👤 Combes Lloyd E Des
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:14
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; E05B65/0817; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0915; Y10T292/096; Y10T292/1037
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US367827A
Cited
US2346656A
Cited
US2378654A
Cited
US2405240A
Cited
US2529606A
Cited
US2742309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |