US2569852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for applying specular coatings
Assignee: Westinghouse Electric Corp
•
Filing: 1948-11-27
•
Granted: 1951-10-02
•
Expires: 1968-11-27
Abstract
No abstract record available.
Inventors
- 👤 James H Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:29
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; C; C03; C03C; C03C17/00; C03C17/06; C03C17/09; C03C2217/00; C03C2217/20; C03C2217/25; C03C2217/263; C03C2218/00; C03C2218/10; C03C2218/15; Y; Y10; Y10S; Y10S118/00; Y10S118/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1872792A
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US2160714A
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US2013032A
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US2107784A
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US2164332A
Cited
US2237328A
Cited
US2304859A
Cited
US2301763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |