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US3454178A
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US
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Sterile cap for a freeze-drying container and method of freeze-drying materials under sterile conditions
Assignee: MARTIN C PARKINSON
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Filing: 1966-01-10
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Granted: 1969-07-08
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Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Charles E Bender
- 👤 Martin C Parkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:20
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/06; B; B65; B65D; B65D51/00; B65D51/002; B65D51/24; B65D51/241; Y; Y10; Y10S; Y10S215/00; Y10S215/03
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) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |