Patent US2608652A successfully refreshed from Google Patents.
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 08:28
CPC Classifications
G; G01; G01R; G01R23/00; G01R23/16; G01R23/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2178074A
Cited
US2266401A
Cited
US2185693A
Cited
US2189549A
Cited
US2243234A
Cited
US2404527A
Cited
US2381940A
Cited
US2355363A
Cited
US2424349A
Cited
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 |