US2915700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test apparatus for measuring time delays
Assignee: Individual
•
Filing: 1955-10-17
•
Granted: 1959-12-01
•
Expires: 1975-10-17
Abstract
No abstract record available.
Inventors
- 👤 Victor F Cartwright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:56
CPC Classifications
H; H04; H04N; H04N17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2083344A
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US2453970A
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US2542983A
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US2639425A
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US2821705A
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US2546985A
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US2617984A
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US2717358A
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US2651753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |