US2475642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical element which is to be subjected to high temperatures
Assignee: Westinghouse Electric Corp
•
Filing: 1944-09-29
•
Granted: 1949-07-12
•
Expires: 1964-09-29
Abstract
No abstract record available.
Inventors
- 👤 Scott Howard
- 👤 Robert B Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:19
CPC Classifications
C; C22; C22C; C22C30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20877E
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US1572996A
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US1836317A
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FR698724A
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US1924245A
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US1949313A
Cited
US1942150A
Cited
US2246078A
Cited
US2196699A
Cited
US2237872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |