US2935670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating and/or control apparatus
Assignee: Elsag Bailey Inc
•
Filing: 1957-04-17
•
Granted: 1960-05-03
•
Expires: 1977-04-17
Abstract
No abstract record available.
Inventors
- 👤 Harvard H Gorrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:58
CPC Classifications
G; G05; G05B; G05B6/00; G05B6/05; F; F01; F01K; F01K13/00; F01K13/02; F01K3/00; F01K3/18; F01K3/20; F01K3/22; F22; F22G; F22G5/00; F23; F23N; F23N1/00; F23N1/005; F23N2221/00; F23N2221/10; F23N2225/00; F23N2225/08; F23N5/00; F23N5/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2252368A
Cited
US2328499A
Cited
US1922194A
Cited
US2718144A
Cited
US2724082A
Cited
US2774019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |