US2419049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal supported glass window
Assignee: Westinghouse Electric Corp
•
Filing: 1943-03-29
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Granted: 1947-04-15
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Expires: 1963-03-29
Abstract
No abstract record available.
Inventors
- 👤 Alpert Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:23
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/26; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0041; H01J2893/0043; Y; Y10; Y10T; Y10T403/00; Y10T403/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US673009A
Cited
US2000845A
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US2089541A
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US2057452A
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US2075477A
Cited
US2219573A
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US2200023A
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US2227511A
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US2282856A
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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) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |