Patent US3543156A successfully refreshed from Google Patents.
US3543156A
Expired / Lapsed
US
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Automatic digital pulse analyzer
Assignee: United States Department of the Army
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Filing: 1967-11-03
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Granted: 1970-11-24
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Expires: 1987-11-03
Abstract
No abstract record available.
Inventors
- 👤 Kilmer L Hall
- 👤 Chester C Carroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:54
CPC Classifications
G; G01; G01R; G01R29/00; G01R29/02; G04; G04F; G04F10/00; G04F10/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-23 | 1974-05-25 | 1974-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-23 | 1978-05-25 | 1978-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-23 | 1982-05-25 | 1982-11-24 | $7700.00 | Window Closed / Lapsed |