US2924271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous vacuum dehydrator
Assignee: Chain Belt Co
•
Filing: 1953-06-26
•
Granted: 1960-02-09
•
Expires: 1973-06-26
Abstract
No abstract record available.
Inventors
- 👤 Weld E Conley
- 👤 Wenzel P Kopp
- 👤 Albert M Olson
- 👤 Leonard A Behn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:19
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/041; F26B17/00; F26B17/02; F26B17/023; Y; Y10; Y10S; Y10S159/00; Y10S159/23
Claims Analysis
Total Claims: 0
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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) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |