US3585052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat resistant paint
Assignee: ALBERT S DANNEWALD
•
Filing: 1968-10-15
•
Granted: 1971-06-15
•
Expires: 1988-10-15
Abstract
Abstract A COMPOSITION FOR USE IN FORMING A HEAT AND FLAME RESISTANT PAINT WHICH COMPRISES FROM ABOUT 14 TO 19 1/2 PARTS BY WEIGHT OF FINELY DIVIDED CLAY, FROM ABOUT 1 1/2 TO 2 1/2 PARTS BY WEIGHT OF FINELY DIVIDED ASBESTOS, FROM ABOUT 14 TO 19 1/2 PARTS BY WEIGHT OF FINELY DIVIDED SILICA SAND OR SILICA FLOUR, FROM ABOUT 18 TO 30 PARTS BY WEIGHT OF SOLUBLE GLASS, FROM ABOUT 5 TO 9 PARTS BY WEIGHT OF RED OR BLACK IRON OXIDE OR WHITE TITANIUM OXIDE, FROM ABOUT 1/2 TO 1 2/3 PARTS BY WEIGHT OF ROSIN, AND AT LEAST ABOUT 3 1/2 PARTS BY WEIGHT OF AN AQUEOUS SOLUTION CONTAINING 50% BY WEIGHT SODIUM HYDROXIDE.
Inventors
- 👤 Jacob F Dannewald
- 👤 Albert S Dannewald
- 👤 Robert I Strader
- 👤 Rudolph H Dannewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:46
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |