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US3028463A Expired / Lapsed US ⏱️ 0.0 years remaining

Switch apparatus responsive to liquid flow

Assignee: A R I C Ltd
•
Filing: 1959-01-19
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Granted: 1962-04-03
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Expires: 1979-01-19
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Abstract

No abstract record available.

Inventors

  • 👤 Birch George Christian Ross

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 22:02
CPC Classifications
G; G01; G01P; G01P13/00; G01P13/0006; G01P13/0013; G01P13/002; H; H01; H01H; H01H21/00; H01H21/02; H01H21/04; H01H21/08; H01H21/085; H01H35/00; H01H35/24; H01H35/40

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1185144A Cited
US1264115A Cited
FR656557A Cited
US1972815A Cited
US2035371A Cited
US2043530A Cited
US2134104A Cited
US2244131A Cited
US2304822A Cited
US2713678A Cited
US2815765A Cited
US2812511A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-04-02 1965-10-02 1966-04-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-04-02 1969-10-02 1970-04-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-04-02 1973-10-02 1974-04-03 $7700.00 Window Closed / Lapsed

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