US2625213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner
Assignee: Cleveland Steel Products Corp
•
Filing: 1947-03-14
•
Granted: 1953-01-13
•
Expires: 1967-03-14
Abstract
No abstract record available.
Inventors
- 👤 William J Smith
- 👤 William W Slaght
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:56
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/04; F23D11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2064064A
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US1716449A
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US1855339A
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US1928839A
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US1888693A
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US1937800A
Cited
US2175539A
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US2181249A
Cited
US2133230A
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US2270994A
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US2310333A
Cited
US2515262A
Cited
US2441845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |