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US2798232A Expired / Lapsed US ⏱️ 0.0 years remaining

Mechanism in wheeled hospital beds for raising and lowering the supporting wheels

Assignee: SANGFABRIKEN AB
•
Filing: 1954-07-07
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Granted: 1957-07-09
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Expires: 1974-07-07
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Abstract

No abstract record available.

Inventors

  • 👤 Ericsson Tore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 22:26
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/08

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB270067A Cited
GB499506A Cited
US2278817A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-08 1961-01-07 1961-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-08 1965-01-07 1965-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-08 1969-01-07 1969-07-09 $7700.00 Window Closed / Lapsed

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