US3261694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for dehydration of moisture containing materials of cellular structure
Assignee: Pillsbury Co
•
Filing: 1961-12-06
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Granted: 1966-07-19
•
Expires: 1981-12-06
Abstract
No abstract record available.
Inventors
- 👤 John H Forkner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:33
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/90; A23B2/91; A23B4/00; A23B4/03; A23B7/00; A23B7/02; A23B7/022; F; F26; F26B; F26B3/00
Claims Analysis
Total Claims: 0
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US2813796A
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |