US2233634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Westinghouse Electric Corp
•
Filing: 1940-01-05
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Granted: 1941-03-04
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Expires: 1960-01-05
Abstract
No abstract record available.
Inventors
- 👤 John S Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:28
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/22; B63H23/24; B63H21/00; B63H21/12; B63H21/17; B63H21/21; B63H2021/216; B63H5/00; B63H5/07; B63H5/08
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) | 1944-03-03 | 1944-09-02 | 1945-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-03 | 1948-09-02 | 1949-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-03 | 1952-09-02 | 1953-03-04 | $7700.00 | Window Closed / Lapsed |