US2805679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectionalized fluid control
Assignee: Westinghouse Electric Corp
•
Filing: 1954-06-15
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Granted: 1957-09-10
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Expires: 1974-06-15
Abstract
No abstract record available.
Inventors
- 👤 Jack E Schrameck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:40
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/30; H01H33/304; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7777; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |