US3022673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid line transfer switch
Assignee: Schneider Electric Systems USA Inc
•
Filing: 1960-06-09
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Granted: 1962-02-27
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Expires: 1980-06-09
Abstract
No abstract record available.
Inventors
- 👤 David H Fuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:19
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/22; F16K3/24; F16K3/26; F16K11/00; F16K11/02; F16K11/06; F16K11/065; F16K11/0655; G; G01; G01N; G01N30/00; G01N30/02; G01N30/04; G01N30/16; G01N30/20; G01N2030/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2757541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |