US2584653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window construction
Assignee: Westinghouse Electric Corp
•
Filing: 1945-11-28
•
Granted: 1952-02-05
•
Expires: 1965-11-28
Abstract
No abstract record available.
Inventors
- 👤 Alpert Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:02
CPC Classifications
G; G21; G21F; G21F3/00; G21F3/04; Y; Y10; Y10T; Y10T403/00; Y10T403/21; Y10T403/217
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1614156A
Cited
US2050576A
Cited
US2075477A
Cited
US2219573A
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US2259751A
Cited
US2296307A
Cited
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Cited
US2419049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |