US3478181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit controllers incorporating time-switches
Assignee: Individual
•
Filing: 1967-03-01
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Granted: 1969-11-11
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Expires: 1987-03-01
Abstract
No abstract record available.
Inventors
- 👤 Edward Thomas Buckerridge
- 👤 Alan Victor Jones
- 👤 William Clifford Rayward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:11
CPC Classifications
G; G04; G04C; G04C23/00; G04C23/02; G04C23/10; G04C23/14; G04C23/18; G04C23/22; G04C23/24; G04C23/26; G04C23/30; H; H01; H01H; H01H43/00; H01H43/02; H01H43/028
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |