US3024423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical apparatus
Assignee: Oak Manufacturing Co
•
Filing: 1960-07-01
•
Granted: 1962-03-06
•
Expires: 1980-07-01
Abstract
No abstract record available.
Inventors
- 👤 Azelickis Alexis
- 👤 Milton N Lanford
- 👤 Raymond L Osborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:26
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/42; H03F3/44; H03F1/00; H03F1/08; H03F1/14; H03F1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2750450A
Cited
GB717055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |