US2705208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal insulation blanket
Assignee: General Electric Co
•
Filing: 1951-04-30
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Granted: 1955-03-29
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Expires: 1971-04-30
Abstract
No abstract record available.
Inventors
- 👤 John W Schweikert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:15
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/24; Y; Y10; Y10S; Y10S150/00; Y10S150/901; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN INSULATION BLANKET COMPRISING A LAYER OF THERMAL INSULATING MATERIAL, A PAIR OF SPACED LAYERS OF METAL FOIL ENCLOSING SAID LAYER OF INSULATING MATERIAL, ONE OF SAID PAIR OF SPACED LAYERS HAVING AT LEAST ONE OPENING THEREIN, AN ADDITIONAL LAYER OF METAL FOIL COVERING SAID OPENING AND FASTENED TO SAID ONE OF SAID PAIR OF SPACED LAYERS AT SPACED LOCATIONS ADJACENT SAID OPENING, AND A PROTECTIVE METAL SCREEN COVERING THE OUTER SURFACE OF ONE OF SAID
Claim 2
Dependent Claim
76 words
AN INSULATION BLANKET COMPRISING A LAYER OF THERMAL INSULATING MATERIAL, A PAIR OF SPACED LAYERS OF METAL FOIL ENCLOSING SAID LAYER OF INSULATING MATERIAL, ONE OF SAID PAIR OF SPACED LAYERS HAVING AT LEAST ONE OPENING THEREIN, AN ADDITIONAL LAYER OF METAL FOIL COVERING SAID OPENING AND FASTENED TO SAID ONE OF SAID PAIR OF SPACED LAYERS AT SPACED LOCATIONS ADJACENT SAID OPENING, AND A PROTECTIVE METAL SCREEN COVERING THE OUTER SURFACE OF ONE OF SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |