US2540686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding door latch
Assignee: McKinney Manufacturing Co
•
Filing: 1946-06-04
•
Granted: 1951-02-06
•
Expires: 1966-06-04
Abstract
No abstract record available.
Inventors
- 👤 Vernon S Milburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:22
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/081; Y10T292/0825; Y10T292/0826; Y10T292/0829; Y10T292/0848; Y10T292/0849; Y10T292/0854; Y10T292/0911; Y10T292/0926; Y10T292/0928; Y10T292/093; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1056; Y10T292/96; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/519; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/5518
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US14618A
Cited
US1652660A
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FR476761A
Cited
CH103174A
Cited
US1760394A
Cited
US1719282A
Cited
US2157853A
Cited
US2203819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |