US2914426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of rendering mica paper moisture resistant and article produced thereby
Assignee: General Electric Co
•
Filing: 1956-08-09
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Granted: 1959-11-24
•
Expires: 1976-08-09
Abstract
No abstract record available.
Inventors
- 👤 Jr George L Gaines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:31
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/52; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
THE METHOD OF PREPARING MICA PAPER OF IMPROVED TENSILE STRENGTH AND MOISTURE RESISTANCE WHICH COMPRISES (1) IMPREGNATING MICA PAPER WITH A MONOMERIC ALKYL ORTHOTITANATE, (2) HYDROLYZING THE IMPREGNATED PRODUCT, (3) HEATING THE HYDROLYZED PRODUCT TO REMOVE VOLATILE HYDROLYSIS PRODUCTS, (4) AND TREATING THE RESULTANT PRODUCT WITH A CHLOROSILANE COMPOSITION HAVING THE AVERAGE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |