US2582582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual fuel jet for dual fuel burners
Assignee: Individual
•
Filing: 1948-12-15
•
Granted: 1952-01-15
•
Expires: 1968-12-15
Abstract
No abstract record available.
Inventors
- 👤 Charles R Bottom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:09
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/02; F23D14/04; F23D14/045; F23D14/46; F23D14/62; F23D14/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1114504A
Cited
US1276243A
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US1564363A
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US1786901A
Cited
US1657436A
Cited
US1838903A
Cited
US2300560A
Cited
US2383641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |