US2901379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature resistant vitreous material
Assignee: Owens Corning
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Filing: 1956-04-09
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Granted: 1959-08-25
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Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Richard F Shannon
- 👤 Robert H Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:31
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/42; C03C17/00; C03C17/22; C03C17/23; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/229; C03C2217/23; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/111; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/294; Y10T428/2958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN ARTICLE OF MANUFACTURING COMPRISING A MASS OF A VITROUS SUBSTANCE HAVING A MAXIMUM DIMENSION IN AT LEAST ONE DIRECTION NOT GREATER THAN 0.005 INCH, AND A COATING COMPRISING AT LEAST ONE REFRACTORY METAL OXIDE HAVING A PH NOT GREATER THAN 10.5 ADHERED TO AT LEAST ONE SURFACE OF SAID MASS, THE REFRACTORY OXIDE CONTENT OF SAID COATING CONSTITUTING AT LEAST ABOUT 10 PERCENT OF THE WEIGHT OF VITROUS SUBSTANCE AND COATING.
Claim 2
Dependent Claim
72 words
AN ARTICLE OF MANUFACTURING COMPRISING A MASS OF A VITROUS SUBSTANCE HAVING A MAXIMUM DIMENSION IN AT LEAST ONE DIRECTION NOT GREATER THAN 0.005 INCH, AND A COATING COMPRISING AT LEAST ONE REFRACTORY METAL OXIDE HAVING A PH NOT GREATER THAN 10.5 ADHERED TO AT LEAST ONE SURFACE OF SAID MASS, THE REFRACTORY OXIDE CONTENT OF SAID COATING CONSTITUTING AT LEAST ABOUT 10 PERCENT OF THE WEIGHT OF VITROUS SUBSTANCE AND COATING.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |