Patent US4020408A successfully refreshed from Google Patents.
Patent US2592601A successfully refreshed from Google Patents.
US2592601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transparent electroconductive article and method for producing the same
Assignee: PPG Industries Inc
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Filing: 1948-02-05
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Granted: 1952-04-15
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Expires: 1968-02-05
Abstract
No abstract record available.
Inventors
- 👤 Richard F Raymond
- 👤 Brook J Dennison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:54
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/002; H01B3/004; C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/228; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A METHOD OF PROVIDING A BASE WITH A TRANSPARENT ELECTROCONDUCTIVE COATING WHICH COMPRISES HEATING THE BASE AT A TEMPERATURE ABOVE ABOUT 600* F. BUT BELOW THE TEMPERATURE AT WHICH THE BASE MELTS, AND COATING A HOT SURFACE THEREOF WITH AN AQUEOUS SOLUTION OF CADMIUM BROMIDE AND A PEROXIDE.
Claim 2
Independent Claim
48 words
A METHOD OF PROVIDING A BASE WITH A TRANSPARENT ELECTROCONDUCTIVE COATING WHICH COMPRISES HEATING THE BASE AT A TEMPERATURE ABOVE ABOUT 600* F. BUT BELOW THE TEMPERATURE AT WHICH THE BASE MELTS, AND COATING A HOT SURFACE THEREOF WITH AN AQUEOUS SOLUTION OF CADMIUM BROMIDE AND A PEROXIDE.
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) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |