US2103790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Westinghouse Electric Corp
•
Filing: 1936-08-07
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Granted: 1937-12-28
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Expires: 1956-08-07
Abstract
No abstract record available.
Inventors
- 👤 Horace E Nason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:10
CPC Classifications
B; B23; B23D; B23D36/00; B23D36/0008; B23D36/0033; B23D36/0041; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/1806; B65H23/195; B65H23/198; B65H35/00; B65H35/02; Y; Y10; Y10T; Y10T83/00; Y10T83/141; Y10T83/159
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) | 1940-12-27 | 1941-06-28 | 1941-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-27 | 1945-06-28 | 1945-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-27 | 1949-06-28 | 1949-12-28 | $7700.00 | Window Closed / Lapsed |