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Patent US3493369A successfully refreshed from Google Patents.
US3493369A
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US
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Low electrical resistance varnish coatings on an insulating base
Assignee: Appleton Coated Paper Co
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Filing: 1964-04-03
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Granted: 1970-02-03
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Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas William Busch
- 👤 Arthur Barron Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:22
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/10; G03G5/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2374214A
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US2880181A
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US3137666A
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US3057749A
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US3113022A
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US3030237A
Cited
US3265497A
Cited
US3295967A
Cited
US3245833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |