Patent US2411547A successfully refreshed from Google Patents.
US2411547A
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Pulse width measuring system
Assignee: STC PLC
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Filing: 1943-03-26
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Granted: 1946-11-26
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Expires: 1963-03-26
Abstract
No abstract record available.
Inventors
- 👤 Labin Emile
- 👤 Donald D Grieg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:24
CPC Classifications
H; H03; H03K; H03K9/00; H03K9/08; G; G01; G01R; G01R1/00; G01R1/30; G04; G04F; G04F10/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-11-25 | 1950-05-27 | 1950-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-11-25 | 1954-05-27 | 1954-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-11-25 | 1958-05-27 | 1958-11-26 | $7700.00 | Window Closed / Lapsed |