US3529269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic switch
Assignee: WILLIAM P GARDINER
•
Filing: 1966-08-01
•
Granted: 1970-09-15
•
Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 William P Gardiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:56
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/20; H01H36/00; H01H36/0073; H01H37/00; H01H37/02; H01H37/64; H01H37/66; H01H5/00; H01H5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2531025A
Cited
US3025372A
Cited
US3196231A
Cited
DE1141000B
Cited
US3264424A
Cited
US3361999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |