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US2799331A
Expired / Lapsed
US
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Pilot burner
Assignee: Baso Inc
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Filing: 1954-07-23
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Granted: 1957-07-16
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Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
- 👤 Charles E Hajny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:57
CPC Classifications
F; F23; F23Q; F23Q9/00; F23Q9/02; F23Q9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1875394A
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US1175888A
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US1399788A
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US1794869A
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US2321689A
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US2355216A
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US2430887A
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US2412348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |