US2685012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective switch for motor vehicle storage batteries
Assignee: Individual
•
Filing: 1952-12-02
•
Granted: 1954-07-27
•
Expires: 1972-12-02
Abstract
No abstract record available.
Inventors
- 👤 John F Coulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:44
CPC Classifications
B; B60; B60R; B60R16/00; B60R16/005; H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/24; H01H71/2463; H01H1/00; H01H1/58; H01H2001/5877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1636037A
Cited
US1615106A
Cited
US1891676A
Cited
US1995946A
Cited
US2028077A
Cited
US2545965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |