US2575686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-and flame-resistant resinous refractories
Assignee: Lockheed Martin Corp
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Filing: 1948-02-24
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Granted: 1951-11-20
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Expires: 1968-02-24
Abstract
No abstract record available.
Inventors
- 👤 Simon Eli
- 👤 Frank W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:32
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/48; C04B41/4838; C04B14/00; C04B14/38; C04B14/42; C04B26/00; C04B26/02; C04B26/04; C04B26/08; C08; C08K; C08K13/00; C08K13/04; C09; C09D; C09D5/00; C09D5/18; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A HEAT FLAME RESISTANT MATERIAL ADAPTED FOR APPLICATION BY BRUSHING OR TROWELLING COMPRISING ON AN APPROXIMATELY WEIGHT PERCENTAGE BASIS FROM 5 TO 20% VINYL CHLORIDE-VINYL ACETATE CO-POLYMER RESIN, FROM 1 TO 10% PHOSPHATE ESTER SERVING AS A PLASTICIZER FOR THE RESIN, FROM 11.36 TO 15% GLASS FIBERS FROM 1/64 TO 3/6 INCH IN LENGTH, FROM 14.2L TO 25% OF A POWDERED REFRACTORY MATERIAL, AND A SUFFICIENT QUANTITY OF A VOLATILE CARRIER TO GIVE THE MIXTURE A PUTTY-LIKE CONSISTENCY.
Claim 2
Dependent Claim
78 words
A HEAT FLAME RESISTANT MATERIAL ADAPTED FOR APPLICATION BY BRUSHING OR TROWELLING COMPRISING ON AN APPROXIMATELY WEIGHT PERCENTAGE BASIS FROM 5 TO 20% VINYL CHLORIDE-VINYL ACETATE CO-POLYMER RESIN, FROM 1 TO 10% PHOSPHATE ESTER SERVING AS A PLASTICIZER FOR THE RESIN, FROM 11.36 TO 15% GLASS FIBERS FROM 1/64 TO 3/6 INCH IN LENGTH, FROM 14.2L TO 25% OF A POWDERED REFRACTORY MATERIAL, AND A SUFFICIENT QUANTITY OF A VOLATILE CARRIER TO GIVE THE MIXTURE A PUTTY-LIKE CONSISTENCY.
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) | 1954-11-19 | 1955-05-21 | 1955-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-19 | 1959-05-21 | 1959-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-19 | 1963-05-21 | 1963-11-20 | $7700.00 | Window Closed / Lapsed |