US3502979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quiet interval pulse sampling
Assignee: Cary Instruments
•
Filing: 1967-04-26
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Granted: 1970-03-24
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Expires: 1987-04-26
Abstract
No abstract record available.
Inventors
- 👤 John A Holly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:23
CPC Classifications
H; H03; H03K; H03K9/00; H03K9/02; G; G01; G01R; G01R19/00; G01R19/0046; G01R19/0053; G01R19/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2253976A
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US2619552A
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US2741668A
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US2846586A
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US3070786A
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US3159787A
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US3183450A
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US3359410A
Cited
US3366888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |