US2651585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of electroconductive articles
Assignee: PPG Industries Inc
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Filing: 1949-06-25
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Granted: 1953-09-08
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Expires: 1969-06-25
Abstract
No abstract record available.
Inventors
- 👤 William O Lytle
- 👤 Albert E Junge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:58
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
98 words
A METHOD OF PROVIDING GLASS WITH A TRANSPARENT ELECTROCONDUCTIVE COATING DURING PERIODS WHEN THE WATER CONTENT OF ATMOSPHERIC AIR EXCEEDS 0.01 POUND OF AIR, WHICH COMPRISES INTRODUCING AN AQUEOUS MIXTURE OF STANNIC CHLORIDE AND WATER, CONTAINING 5 TO 60 PERCENT BY WEIGHT OF WATER INTO AN AIR STREAM WHICH IS FREE FROM SUSPENDED DROPS OF WATER, AND CONTACTING THE STREAM WITH GLASS HEATED ABOVE 400* F. BUT BELOW THE TEMPERATURE AT WHICH THE GLASS FUSES, WHILE MAINTAINING THE WATER CONTENT OF THE ATMOSPHERE IN WHICH SAID CONTACT IS EFFECTED. AT 0.00025 TO 0.01 POUND PER POUND OF AIR.
Claim 2
Independent Claim
98 words
A METHOD OF PROVIDING GLASS WITH A TRANSPARENT ELECTROCONDUCTIVE COATING DURING PERIODS WHEN THE WATER CONTENT OF ATMOSPHERIC AIR EXCEEDS 0.01 POUND OF AIR, WHICH COMPRISES INTRODUCING AN AQUEOUS MIXTURE OF STANNIC CHLORIDE AND WATER, CONTAINING 5 TO 60 PERCENT BY WEIGHT OF WATER INTO AN AIR STREAM WHICH IS FREE FROM SUSPENDED DROPS OF WATER, AND CONTACTING THE STREAM WITH GLASS HEATED ABOVE 400* F. BUT BELOW THE TEMPERATURE AT WHICH THE GLASS FUSES, WHILE MAINTAINING THE WATER CONTENT OF THE ATMOSPHERE IN WHICH SAID CONTACT IS EFFECTED. AT 0.00025 TO 0.01 POUND PER POUND OF AIR.
References Cited (Backward Citations)
US2118795A
Cited
US2429420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |