US2699568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety latch
Assignee: Individual
•
Filing: 1949-12-22
•
Granted: 1955-01-18
•
Expires: 1969-12-22
Abstract
No abstract record available.
Inventors
- 👤 Marcus B Herscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:03
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/46; Y; Y10; Y10T; Y10T292/00; Y10T292/68; Y10T292/696; Y10T292/702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1193000A
Cited
US729980A
Cited
US1642612A
Cited
US2041065A
Cited
US2113747A
Cited
US2430141A
Cited
US2448765A
Cited
US2498243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |