US2850809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dehydration of food products
Assignee: Individual
•
Filing: 1957-02-15
•
Granted: 1958-09-09
•
Expires: 1977-02-15
Abstract
No abstract record available.
Inventors
- 👤 Frank G Lamb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:01
CPC Classifications
F; F26; F26B; F26B11/00; F26B11/18; F26B11/181; F26B11/185; F26B11/188; A; A23; A23B; A23B2/00; A23B2/90; A23B2/94; A23B2/945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US565522A
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US722693A
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US2289753A
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US2360838A
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US2278275A
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US2367174A
Cited
US2783546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |