Patent US3080331A successfully refreshed from Google Patents.
US3080331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating varnish including an oilmodified alkyd resin and an oil soluble phenol-formaldehyde resin
Assignee: SI Group Inc
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Filing: 1957-11-12
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Granted: 1963-03-05
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Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Thielking
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:19
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; C; C09; C09D; C09D161/00; C09D161/04; C09D161/06; C09D167/00; C09D167/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN INSULATING VARNISH FOR ELECTRICAL CONDUCTING INCLUDING AN ALKYD RESIN SELECTED FROM THE GROUP CONSISTING OF SHORT OIL-MODIFIED GLYCERYL ISOPHTHALATE AND SHORT OIL-MODIFIED GLYCERYL TEREPHTHALATE, SAID RESIN HAVING AN OIL LENGTH OF 35 TO 60, SAID OIL BEING SOLE MODIFIER FOR SAID RESIN AND ALSO INCLUDING AN OIL-SOLUBLE OHENOLFORMALDEHYDE RESIN, SAID GLYCERYL BEING THE SOLE ALCOHOLIC MOIETY IN SAID ALKYD RESIN, SAID PHENOL RESIN BEING 100% PHENOL-FORMALDEHYDE RESIN WHICH IS THE REACTION PRODUCT OF FORMALDEHYDE AND A PHENOL SELECTED FROM THE GROUP CONSISTING OF ORTHO AND PARA HYDROCARBON SUBSTITUTED PHENOLS, 2,2-BIS(P-HYDROXYPHENYL) PROPANE FORMALDEHYDE AND MIXTURE THEREOF, THE PHENOL-FORMALDEHYDE RESIN BEING PRESENT IN AMOUNT OF 80% TO 15% OF THE TOTAL OF THE SHORT OIL ALKYD RESIN AND PHENOLIC RESIN.
Claim 2
Dependent Claim
119 words
AN INSULATING VARNISH FOR ELECTRICAL CONDUCTING INCLUDING AN ALKYD RESIN SELECTED FROM THE GROUP CONSISTING OF SHORT OIL-MODIFIED GLYCERYL ISOPHTHALATE AND SHORT OIL-MODIFIED GLYCERYL TEREPHTHALATE, SAID RESIN HAVING AN OIL LENGTH OF 35 TO 60, SAID OIL BEING SOLE MODIFIER FOR SAID RESIN AND ALSO INCLUDING AN OIL-SOLUBLE OHENOLFORMALDEHYDE RESIN, SAID GLYCERYL BEING THE SOLE ALCOHOLIC MOIETY IN SAID ALKYD RESIN, SAID PHENOL RESIN BEING 100% PHENOL-FORMALDEHYDE RESIN WHICH IS THE REACTION PRODUCT OF FORMALDEHYDE AND A PHENOL SELECTED FROM THE GROUP CONSISTING OF ORTHO AND PARA HYDROCARBON SUBSTITUTED PHENOLS, 2,2-BIS(P-HYDROXYPHENYL) PROPANE FORMALDEHYDE AND MIXTURE THEREOF, THE PHENOL-FORMALDEHYDE RESIN BEING PRESENT IN AMOUNT OF 80% TO 15% OF THE TOTAL OF THE SHORT OIL ALKYD RESIN AND PHENOLIC RESIN.
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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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |