US2979108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solution and method for treating mica products and articles produced therefrom
Assignee: Oxalloy Co
•
Filing: 1956-09-24
•
Granted: 1961-04-11
•
Expires: 1976-09-24
Abstract
No abstract record available.
Inventors
- 👤 John S Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:08
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/34; C04B28/342; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2911
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
PARTICULATE MICA IN SHEET FROM HAVING AT LEAST A PORTION OF THE PORES OF SAID SHEET IMPREGNATED WITH AN AQUEROUS ACIDIC SOLUTION CONSISTING ESSENTIALLY OF INGREDIENTS IN RELATIVE QUANTITIES OF ABOUT 730 PARTS BY WEIGHT OF PO4, BETWEEN ABOUT 34 AND ABOUT 80 PARTS BY WEIGHT OF ALUMINUM, UP TO ABOUT 34 PARTS BY WEIGHT OF MAGNESIUM, BETWEEN ABOUT 300 AND ABOUT 1,550 PARTS BY WEIGHT OF WATER, AND UP TO 770 PARTS BY WEIGHT OF POWDERED MICA, SAID PARTICULATE MICA HAVING BEEN IN SHEET FORM PRIOR TO THE IMPREGNATION WITH SAID SOLUTION.
References Cited (Backward Citations)
US2455758A
Cited
US2614055A
Cited
US2704261A
Cited
US2760879A
Cited
US2772696A
Cited
US2865426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |