US2777947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse width discriminator
Assignee: Individual
•
Filing: 1946-03-18
•
Granted: 1957-01-15
•
Expires: 1966-03-18
Abstract
No abstract record available.
Inventors
- 👤 Conrad H Hoeppner
- 👤 Jr Carl Harrison Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:48
CPC Classifications
G; G01; G01R; G01R29/00; G01R29/02; G01R29/027; G01R29/0273; H; H04; H04N; H04N5/00; H04N5/04; H04N5/08; H04N5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2224134A
Cited
US2226459A
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US2230243A
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US2277000A
Cited
US2416895A
Cited
US2411547A
Cited
US2408063A
Cited
US2504976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |