US3002185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low frequency pulse detector
Assignee: —
•
Filing: —
•
Granted: 1961-09-26
•
Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/19; H03K5/01; H03K5/08; H03K5/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2865365A
Cited
US2815748A
Cited
US2868971A
Cited
US2848992A
Cited
US2801629A
Cited
US2806949A
Cited
US2829637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |