US2837834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web heat treatment and apparatus therefor
Assignee: Industrial Ovens Inc
•
Filing: 1954-09-17
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Granted: 1958-06-10
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Expires: 1974-09-17
Abstract
No abstract record available.
Inventors
- 👤 Alexander V Alexeff
- 👤 Edwin P Homburg
- 👤 Richards Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:13
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0086; D06N3/0088; D02; D02J; D02J13/00; D02J13/001; D06C; D06C7/00; D06C2700/00; D06C2700/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1150609A
Cited
US1543368A
Cited
US1479453A
Cited
US1891225A
Cited
US2082411A
Cited
US2440159A
Cited
US2501537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |