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US3203108A
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Centrifugal freeze drying apparatus
Assignee: Individual
•
Filing: 1962-11-28
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Granted: 1965-08-31
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Expires: 1982-11-28
Abstract
No abstract record available.
Inventors
- 👤 Samuel M Broadwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:52
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/06; A; A23; A23B; A23B2/00; A23B2/90; A23B2/92; F26B5/08; F26B5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |