US2985783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin screen members
Assignee: Westinghouse Electric Corp
•
Filing: 1956-07-30
•
Granted: 1961-05-23
•
Expires: 1976-07-30
Abstract
No abstract record available.
Inventors
- 👤 Garbuny Max
- 👤 Walter A Feibelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:37
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/49; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/38; H01J31/26; H01J31/265; H04; H04N; H04N3/00; H04N3/10; H04N3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2173904A
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US2153363A
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US2297607A
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US2769148A
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US2771055A
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US2796562A
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US2808351A
Cited
US2756167A
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US2853402A
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US2798823A
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US2766144A
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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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |