US2665458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Range apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1951-07-10
•
Granted: 1954-01-12
•
Expires: 1971-07-10
Abstract
No abstract record available.
Inventors
- 👤 Charles A Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:38
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/02; F24C15/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1821964A
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US2103017A
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US2180920A
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US2219962A
Cited
US2339398A
Cited
US2405305A
Cited
US2327541A
Cited
GB562901A
Cited
US2556597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |