US3112651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat distributor
Assignee: North American Aviation Corp
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Filing: 1960-11-16
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Granted: 1963-12-03
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Expires: 1980-11-16
Abstract
No abstract record available.
Inventors
- 👤 Wilbur L Zingery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:35
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
IN COMBINATION: A FIRST SYMMETRICAL LOW THERMAL RESISTANCE MEMBER; A SYMMETRICAL HIGH THERMAL RESISTANCE HEAT INSULATING SHIELD, SYMMETRICALLY ENCLOSING SAID LOW RESISTANCE MEMBER; A SECOND LOW THERMAL RESISTANCE MEMBER SYMMETRICALLY DISPOSED ABOUT SAID INSULATING SHIELD; AND A THIRD LOW THERMAL RESISTANCE MEANS POSITIONED ON THE AXIS OF SYMMETRY OF SAID HEAT INSULATING SHIELD AND PENETRATING THERETHROUGH TO CONTACT SAID SECOND LOW THERMAL RESISTANCE MEMBER.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |