Patent US3368360A successfully refreshed from Google Patents.
US3368360A
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US
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Cryogenic apparatus
Assignee: Unicam Instruments Ltd
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Filing: 1966-12-21
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Granted: 1968-02-13
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Expires: 1986-12-21
Abstract
No abstract record available.
Inventors
- 👤 Daly Edgar Frank
- 👤 Dean Thomas James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:16
CPC Classifications
F; F25; F25J; F25J1/00; F25J1/02; F25J1/0243; F25J1/0257; F25J1/0275; F25J1/0276; F25B; F25B9/00; F25B9/14; F25B2309/00; F25B2309/003; F25J2290/00; F25J2290/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3091092A
Cited
US3119237A
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US3205668A
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US3188821A
Cited
US3312072A
Cited
US3321926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |