Patent US2445531A successfully refreshed from Google Patents.
US2445531A
Expired / Lapsed
US
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Safety control system for burners
Assignee: Gilbarco Inc
•
Filing: 1945-04-16
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Granted: 1948-07-20
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Expires: 1965-04-16
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Mesh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:05
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/08; F23N5/082; F23N2231/00; F23N2231/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1877037A
Cited
US1876281A
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US2174275A
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US2185752A
Cited
US2170426A
Cited
US2263225A
Cited
US2261458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |