US3491979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism
Assignee: HOWELL IND Inc
•
Filing: 1967-02-27
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Granted: 1970-01-27
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Expires: 1987-02-27
Abstract
No abstract record available.
Inventors
- 👤 Harry Wonell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:21
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/04; B60N2/06; B60N2/07; B60N2/0702; B60N2/0715; B60N2/0705; B60N2/08; B60N2/0812; B60N2/0818; B60N2/0825; B60N2/0831; B60N2/0862; B60N2/0868; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32426; Y10T403/32442; Y10T403/32451; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20468
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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |