US2567229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measurement of time intervals between pulses
Assignee: Individual
•
Filing: 1947-05-16
•
Granted: 1951-09-11
•
Expires: 1967-05-16
Abstract
No abstract record available.
Inventors
- 👤 Leighton L Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:57
CPC Classifications
G; G01; G01S; G01S15/00; G01S15/02; G01S15/06; G01S15/08; G01S15/10; G01S15/101; G01S1/00; G01S1/02; G01S1/08; G01S1/20
Claims Analysis
Total Claims: 0
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US2426216A
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US2433385A
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US2460316A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |