US2597470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overflow cutoff safety device for oil burners
Assignee: Individual
•
Filing: 1949-08-05
•
Granted: 1952-05-20
•
Expires: 1969-08-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Giardino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:14
CPC Classifications
F; F23; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/16; F23N; F23N2239/00; F23N2239/06; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7339; Y10T137/7345; Y10T137/7358; Y10T137/742
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1710703A
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US2194133A
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US2236559A
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US2416932A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |