US2518207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety latch mechanism
Assignee: Individual
•
Filing: 1946-10-30
•
Granted: 1950-08-08
•
Expires: 1966-10-30
Abstract
No abstract record available.
Inventors
- 👤 Wagner John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:59
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/10; E05B; E05B63/00; E05B63/0052; E05B77/00; E05B77/22; E05B77/24; E05B77/26; E05B77/265; E05B83/00; E05B83/36; Y; Y10; Y10S; Y10S292/00; Y10S292/65; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0997; Y10T292/62; Y10T70/00; Y10T70/80; Y10T70/8432; Y10T70/8459; Y10T70/8541
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US127027A
Cited
US630594A
Cited
US1517817A
Cited
US1578598A
Cited
US1624819A
Cited
GB280466A
Cited
US2221529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |