US3098757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat resistant structure
Assignee: Individual
•
Filing: 1961-05-26
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Granted: 1963-07-23
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Willard F Libby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:44
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; C03C17/3602; C03C17/3642; C03C17/3657; C03C17/3663; F; F16; F16L; F16L59/00; F16L59/14; Y; Y10; Y10T; Y10T428/00; Y10T428/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN A STRUCTURE FOR RESISTING HEAT GENERATED AT THE OUTER SURFACE THEREOF, THE COMBINATION OF: A SUBSTANCE WITH AN OUTWARDLY DIRECTED SURFACE HAVING SUBSTANTIALLY ONE HUNDRED PERCENT OPTICAL REFLECTANCE FOR REFLECTING LIGHT AWAY FROM THE INTERIOR OF THE STRUCTURE; AND A LAYER OF OPTICALLY TRANSPARENT MATERIAL IN THE ORDER OF SEVERAL INCHES THICK ON SAID SURFACE.
Claim 2
Dependent Claim
56 words
IN A STRUCTURE FOR RESISTING HEAT GENERATED AT THE OUTER SURFACE THEREOF, THE COMBINATION OF: A SUBSTANCE WITH AN OUTWARDLY DIRECTED SURFACE HAVING SUBSTANTIALLY ONE HUNDRED PERCENT OPTICAL REFLECTANCE FOR REFLECTING LIGHT AWAY FROM THE INTERIOR OF THE STRUCTURE; AND A LAYER OF OPTICALLY TRANSPARENT MATERIAL IN THE ORDER OF SEVERAL INCHES THICK ON SAID SURFACE.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |