US2884706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for conditioning web-like materials in a closed chamber
Assignee: Svenska Flaktfabriken AB
•
Filing: 1955-07-08
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Granted: 1959-05-05
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Expires: 1975-07-08
Abstract
No abstract record available.
Inventors
- 👤 Svavar Filip
- 👤 Ahlin Olle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:23
CPC Classifications
D; D06; D06B; D06B1/00; D06C; D06C2700/00; D06C2700/13; D06C2700/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2065636A
Cited
US2076415A
Cited
US2264542A
Cited
US2303809A
Cited
US2362309A
Cited
US2597999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |