US3051167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timing and sequence control circuitry
Assignee: University of Illinois at Urbana-Champaign
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Filing: 1957-07-23
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Granted: 1962-08-28
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Expires: 1977-07-23
Abstract
No abstract record available.
Inventors
- 👤 William J Fry
- 👤 Frank J Fry
- 👤 Dreyer Leroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:53
CPC Classifications
A; A61; A61F; A61F7/00; G; G01; G01N; G01N29/00; G01N29/04; G01N29/11; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/07; A61F2007/0093; A61F2007/0094
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2789557A
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US2696572A
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US2730655A
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US2860627A
Cited
US2752914A
Cited
US2876764A
Cited
US2829308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |