US2558103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical linkage with liquid sealing means
Assignee: Westinghouse Electric Corp
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Filing: 1949-05-28
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Granted: 1951-06-26
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Expires: 1969-05-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Ruckstahl
- 👤 Harold M Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:46
CPC Classifications
F; F16; F16H; F16H51/00; F16J; F16J15/00; F16J15/50; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2093
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) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |