US2694444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet-type burner for tobacco curers
Assignee: AMF Inc
•
Filing: 1951-03-17
•
Granted: 1954-11-16
•
Expires: 1971-03-17
Abstract
No abstract record available.
Inventors
- 👤 Henry A Oldenkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:50
CPC Classifications
A; A24; A24B; A24B1/00; A24B1/02; F; F23; F23D; F23D11/00; F23D11/36; F23D11/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2016921A
Cited
US2404335A
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US2422213A
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US2446059A
Cited
US2434924A
Cited
US2489716A
Cited
US2541170A
Cited
US2553091A
Cited
US2547619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |