US3293871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cryogenic vaporizer
Assignee: General Dynamics Corp
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Filing: 1965-05-13
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Granted: 1966-12-27
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Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Lewis Tyree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:03
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; F28; F28D; F28D1/00; F28D1/02; F28D1/0233; F28D1/024; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/14; F28F1/22; F28F19/00; F28F19/006; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0352; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2227/00; F17C2227/03; F17C2227/0367; F17C2227/0388; F17C2227/0393; F17C2260/00; F17C2260/03; F17C2260/031; F17C2260/032; F28D21/00; F28D2021/0019; F28D2021/0033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN IMPROVED CRYOGENIC VAPORIZER INCLUDING A VAPORIZER TUBE, AN INLET, AND AN OUTLET, SAID TUBE, SAID INLET, AND SAID OUTLET BEING INTERCONNECTED, COMPRISING A PLURALITY OF FINS SECURED TO SAID TUBE IN THERMAL COMMUNICATION THEREWITH, SAID FINS BEING FORMED OF A SINGLE SHEET OF PRESELECTED MATERIAL OF SUBSTANTIALLY UNIFORM THICKNESS AND BEING DISPOSED IN SPACED, PARALLEL RELATIONSHIP TO THE AXIS OF SAID TUBE.
Claim 2
Dependent Claim
63 words
AN IMPROVED CRYOGENIC VAPORIZER INCLUDING A VAPORIZER TUBE, AN INLET, AND AN OUTLET, SAID TUBE, SAID INLET, AND SAID OUTLET BEING INTERCONNECTED, COMPRISING A PLURALITY OF FINS SECURED TO SAID TUBE IN THERMAL COMMUNICATION THEREWITH, SAID FINS BEING FORMED OF A SINGLE SHEET OF PRESELECTED MATERIAL OF SUBSTANTIALLY UNIFORM THICKNESS AND BEING DISPOSED IN SPACED, PARALLEL RELATIONSHIP TO THE AXIS OF SAID TUBE.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |