Patent US4241090A successfully refreshed from Google Patents.
US3423955A
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Flexible cold finger for cooling samples to cryogenic temperatures
Assignee: Andonian Associates Inc
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Filing: 1966-06-08
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Granted: 1969-01-28
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Expires: 1986-06-08
Abstract
No abstract record available.
Inventors
- 👤 Robert C Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:11
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/10; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C3/085; F25D19/00; F25D19/006
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |