US2611362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible burner
Assignee: Individual
•
Filing: 1947-03-31
•
Granted: 1952-09-23
•
Expires: 1967-03-31
Abstract
No abstract record available.
Inventors
- 👤 Swindin Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:02
CPC Classifications
F; F22; F22B; F22B1/00; F22B1/22; F22B1/26; F22B1/265; F23; F23D; F23D14/00; F23D14/38; F23D14/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB300819A
Cited
US160178A
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US414800A
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US517297A
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US1019965A
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US959195A
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US1013635A
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US1667122A
Cited
US1973456A
Cited
US2055211A
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US2204051A
Cited
US2358302A
Cited
US2375840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |