US3425729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic latch fastener
Assignee: Southco Inc
•
Filing: 1967-11-17
•
Granted: 1969-02-04
•
Expires: 1987-11-17
Abstract
No abstract record available.
Inventors
- 👤 Robert H Bisbing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:04
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/16; Y; Y10; Y10T; Y10T292/00; Y10T292/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2424757A
Cited
US2896991A
Cited
US3079581A
Cited
US2935353A
Cited
US3313565A
Cited
US3351368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |