Patent US2979125A successfully refreshed from Google Patents.
US2979125A
Expired / Lapsed
US
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Flame supervision instrumentation
Assignee: Individual
•
Filing: 1958-10-06
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Granted: 1961-04-11
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Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Katorsky Oskar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:12
CPC Classifications
F; F23; F23M; F23M11/00; F23M11/04; F23M11/045; F23N; F23N5/00; F23N5/02; F23N5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |