Patent US2614944A successfully refreshed from Google Patents.
US2614944A
Expired / Lapsed
US
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Method of applying electroconductive films
Assignee: PPG Industries Inc
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Filing: 1947-07-22
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Granted: 1952-10-21
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Expires: 1967-07-22
Abstract
No abstract record available.
Inventors
- 👤 William O Lytle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:41
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/211; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
IN THE METHOD OF APPLYING AN ELECTROCONDUCTIVE FILM TO A BASE BY CONTACTING THE BASE WHILE HOT WITH A TIN COMPOUND, THE IMPROVEMENT WHICH COMPRISES SIMULTANEOUSLY CONTACTING THE BASE WITH AN HYDRAZINE DURING APPLICATION OF THE FILM.
Claim 2
Dependent Claim
37 words
IN THE METHOD OF APPLYING AN ELECTROCONDUCTIVE FILM TO A BASE BY CONTACTING THE BASE WHILE HOT WITH A TIN COMPOUND, THE IMPROVEMENT WHICH COMPRISES SIMULTANEOUSLY CONTACTING THE BASE WITH AN HYDRAZINE DURING APPLICATION OF THE FILM.
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) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |