US2941092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse delay circuit
Assignee: US Philips Corp
•
Filing: 1955-10-25
•
Granted: 1960-06-14
•
Expires: 1975-10-25
Abstract
No abstract record available.
Inventors
- 👤 Nicolas J Harrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:56
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/13; H10; H10D; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2476323A
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US2600500A
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US2655607A
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US2701302A
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US2761020A
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US2702838A
Cited
US2769926A
Cited
US2801348A
Cited
US2832898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |