US2835642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polybutadiene coated mica flakes, process of preparation, and cured composition
Assignee: General Electric Co
•
Filing: 1956-03-27
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Granted: 1958-05-20
•
Expires: 1976-03-27
Abstract
No abstract record available.
Inventors
- 👤 Moyer M Safford
- 👤 Smith Elizabeth Joy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:04
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/04; C04B26/045; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/251; Y10T428/31504; Y10T428/31855; Y10T428/31931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A CURABLE COMPOSITON COMPRISING COMMINUTED MICA FLAKES IMPREGNATED WITH 0.5-20% POLYBUTADIENE CONTAINTAINING 0.1-10% DI-A-CUMYL PEROXIDE, SAID POLYBUTADIENE CONTAINING AT LEAST 30% 1,2-POLYBUTADIENE.
Claim 2
Dependent Claim
22 words
A CURABLE COMPOSITON COMPRISING COMMINUTED MICA FLAKES IMPREGNATED WITH 0.5-20% POLYBUTADIENE CONTAINTAINING 0.1-10% DI-A-CUMYL PEROXIDE, SAID POLYBUTADIENE CONTAINING AT LEAST 30% 1,2-POLYBUTADIENE.
References Cited (Backward Citations)
US1883645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |