US3374020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism
Assignee: Individual
•
Filing: 1966-05-02
•
Granted: 1968-03-19
•
Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Robert D W Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:20
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/10; E05B; E05B67/00; E05B67/38; E05B67/383; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0997; Y10T292/1014; Y10T292/1022; Y10T292/1025
Claims Analysis
Total Claims: 0
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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) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |