US2872545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote controlled switching device
Assignee: Individual
•
Filing: 1954-01-26
•
Granted: 1959-02-03
•
Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 James C Hobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:20
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2444955A
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US2529032A
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US2670039A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |