US2608652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse analyzing method and system
Assignee: Individual
•
Filing: 1946-01-31
•
Granted: 1952-08-26
•
Expires: 1966-01-31
Abstract
No abstract record available.
Inventors
- 👤 Joseph I Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:44
CPC Classifications
G; G01; G01R; G01R23/00; G01R23/16; G01R23/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2178074A
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US2266401A
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US2189549A
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US2243234A
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US2404527A
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US2381940A
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US2355363A
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US2424349A
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US2481045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |