Patent DE682891C successfully refreshed from Google Patents.
US3131114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-included integrated mica sheet and method of production
Assignee: Acim Paper Corp
•
Filing: 1959-12-21
•
Granted: 1964-04-28
•
Expires: 1979-12-21
Abstract
No abstract record available.
Inventors
- 👤 Moses D Heyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:23
CPC Classifications
C; C04; C04B; C04B32/00; C04B32/005; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/268; Y10T428/29; Y10T428/2982
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AN INTEGRATED SHEET OF MICA FLAKES HAVING NASCENT SURFACES THAT INDUCE COHESION AMONG THE FLAKES AND GLASS FLAKES IN WHICH THE MICA AND GLASS FLAKES ARE INTERSPERSED THROUGHOUT THE THICKNESS OF THE SHEET AND THERE IS FUSION AMONG THE GLASS FLAKES AND ADHESION BETWEEN THE MICA AND GLASS FLAKES, THE FLAKES HAVING A GENERAL THICKNESS IN THE ORDER OF FOUR MICRONS, AND THE PROPORTION OF GLASS FLAKES TO MICA FLAKES BEING APPROXIMATELY 30% TO 60% GLASS FLAKES AND THE REMAINDER MICA FLAKES.
Claim 2
Dependent Claim
82 words
AN INTEGRATED SHEET OF MICA FLAKES HAVING NASCENT SURFACES THAT INDUCE COHESION AMONG THE FLAKES AND GLASS FLAKES IN WHICH THE MICA AND GLASS FLAKES ARE INTERSPERSED THROUGHOUT THE THICKNESS OF THE SHEET AND THERE IS FUSION AMONG THE GLASS FLAKES AND ADHESION BETWEEN THE MICA AND GLASS FLAKES, THE FLAKES HAVING A GENERAL THICKNESS IN THE ORDER OF FOUR MICRONS, AND THE PROPORTION OF GLASS FLAKES TO MICA FLAKES BEING APPROXIMATELY 30% TO 60% GLASS FLAKES AND THE REMAINDER MICA FLAKES.
References Cited (Backward Citations)
US1795200A
Cited
GB553104A
Cited
US2391376A
Cited
US2704105A
Cited
US2859794A
Cited
US2897573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |