US2723659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible burner
Assignee: Ozark-Mahoning Co
•
Filing: 1951-01-30
•
Granted: 1955-11-15
•
Expires: 1971-01-30
Abstract
No abstract record available.
Inventors
- 👤 Walter L Young
- 👤 Clarence J Douglas
- 👤 Rudolph J Stengl
- 👤 Floyd B Bedwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:30
CPC Classifications
F; F23; F23C; F23C3/00; F23C3/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE363452C
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US1369602A
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US1656907A
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US1950980A
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US1798785A
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US2159759A
Cited
US2118479A
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US2418566A
Cited
US2458541A
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US2506853A
Cited
US2486481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |