Patent US2070812A successfully refreshed from Google Patents.
US2932347A
Expired / Lapsed
US
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Burner apparatus
Assignee: Midland Ross Corp
•
Filing: 1956-04-24
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Granted: 1960-04-12
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Expires: 1976-04-24
Abstract
No abstract record available.
Inventors
- 👤 Kurt S Jaeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:53
CPC Classifications
F; F23; F23D; F23D17/00; F23D17/002; F23D11/00; F23D11/36; F23D11/40; F23D11/406
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1925183A
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US2497321A
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US2591626A
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US2767784A
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US2744568A
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US2803296A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |