Patent US2515195A successfully refreshed from Google Patents.
US2515195A
Expired / Lapsed
US
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Pulse collecting method
Assignee: Individual
•
Filing: 1947-12-12
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Granted: 1950-07-18
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Expires: 1967-12-12
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:29
CPC Classifications
G; G08; G08C; G08C15/00; G08C15/06; G08C15/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2303968A
Cited
US2402916A
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US2414541A
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US2390608A
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US2403918A
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US2436963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |