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US3293871A Expired / Lapsed US ⏱️ 0.0 years remaining

Cryogenic vaporizer

Assignee: General Dynamics Corp
•
Filing: 1965-05-13
•
Granted: 1966-12-27
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Expires: 1985-05-13
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Lewis Tyree

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 13:21
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)

US2823521A Cited
US2833121A Cited
US3035423A Cited
US3153439A Cited

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

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