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Patent US2429420A successfully refreshed from Google Patents.
US2429420A
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Conductive coating for glass and method of application
Assignee: Libbey Owens Ford Glass Co
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Filing: 1942-10-05
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Granted: 1947-10-21
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Expires: 1962-10-05
Abstract
No abstract record available.
Inventors
- 👤 Harold A Mcmaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:57
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/1271; B; B60; B60S; B60S1/00; B60S1/02; B60S1/023; B60S1/026; B64; B64D; B64D15/00; B64D15/12; C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/253; H01B; H01B1/00; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/211; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/111; C03C2218/112; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/261
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |