Patent US2212346A successfully refreshed from Google Patents.
US2212346A
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US
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Supporting construction
Assignee: Westinghouse Electric Corp
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Filing: 1939-01-19
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Granted: 1940-08-20
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Expires: 1959-01-19
Abstract
No abstract record available.
Inventors
- 👤 Reinout P Kroon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:43
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/20; F16M11/2007; F16M11/2035; F16M11/2064; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/105; G; G02; G02B; G02B23/00; G02B23/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-08-20 | 1944-02-19 | 1944-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-20 | 1948-02-19 | 1948-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-20 | 1952-02-19 | 1952-08-20 | $7700.00 | Window Closed / Lapsed |