Patent US2667428A successfully refreshed from Google Patents.
US2667428A
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Method of producing transparent electrically conducting films
Assignee: Libbey Owens Ford Glass Co
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Filing: 1949-07-06
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Granted: 1954-01-26
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Expires: 1969-07-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas K Young
- 👤 James W Mcauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:39
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/253; 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
46 words
IN A METHOD OF PRODUCING A TRANSPARENT ELECTRICALLY CONDUCTING FILM BY SPRAYING A VITREOUS SURFACE THAT HAS BEEN HEATED TO SUBSTANTIALLY ITS POINT OF SOFTENING WITH A SOLUTION OF A TIN CHLORIDE DURING RELATIVE MOVEMENT BETWEEN SAID SPRAY AND SAID SURFACE THE STEP OF DIRECTING A
Claim 2
Dependent Claim
46 words
IN A METHOD OF PRODUCING A TRANSPARENT ELECTRICALLY CONDUCTING FILM BY SPRAYING A VITREOUS SURFACE THAT HAS BEEN HEATED TO SUBSTANTIALLY ITS POINT OF SOFTENING WITH A SOLUTION OF A TIN CHLORIDE DURING RELATIVE MOVEMENT BETWEEN SAID SPRAY AND SAID SURFACE THE STEP OF DIRECTING A
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) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |