Patent US2948640A successfully refreshed from Google Patents.
US2948640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of impregnating mica paper with an alkyl orthotitanate, and product produced thereby
Assignee: General Electric Co
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Filing: 1956-08-09
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Granted: 1960-08-09
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Expires: 1976-08-09
Abstract
No abstract record available.
Inventors
- 👤 Myron L Corrin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:20
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE METHOD OF PREPARING MICA PAPER OF IMPROVED PHYSICAL PROPERTIES WHICH METHOD COMPRISES IMPREGNATING THE MICA PAPER WITH A COMPOSITION CONSISTING ESSENTIALLY OF AN ALKYL ORTHOTITANATE IN MONOMERIC FORM, HYDROLYZING THE ALKYL ORTHOTITANATE IN THE MICA PAPER, AND HEATING THE MICA PAPER.
Claim 2
Independent Claim
42 words
THE METHOD OF PREPARING MICA PAPER OF IMPROVED PHYSICAL PROPERTIES WHICH METHOD COMPRISES IMPREGNATING THE MICA PAPER WITH A COMPOSITION CONSISTING ESSENTIALLY OF AN ALKYL ORTHOTITANATE IN MONOMERIC FORM, HYDROLYZING THE ALKYL ORTHOTITANATE IN THE MICA PAPER, AND HEATING THE MICA PAPER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |