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US3137773A Expired / Lapsed US ⏱️ 0.0 years remaining

Manual control for a motorized hospital bed

Assignee: American Seating Co
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Filing: 1961-10-30
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Granted: 1964-06-16
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Expires: 1981-10-30
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Abstract

No abstract record available.

Inventors

  • 👤 Warren R Black

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 03:55
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/018; H; H01; H01H; H01H13/00; H01H13/70; H01H9/00; H01H9/02; H01H9/0214

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 187 words
A MANUAL CONTROL FOR A MOTORIZED HOSPITAL BED, COMPRISING: A FORWARDLY OPENING HOUSING; AN ESCUTCHEON PLATE MOUNTED IN THE OPEN FRONT OF THE HOUSING AND HAVING PAIRS OF VERTICALLY SPACED PUSHBUTTON OPENINGS THERETHROUGH; RIGID UPPER PUSHBUTTON ELEMENTS MOUNTED IN THE HOUSING AND HAVING PUSHBUTTON HEADS EXTENDING THROUGH THE UPPER PUSHBUTTON OPENINGS, INTEGRAL LEG PORTIONS EXTENDING ANGULARLY DOWNWARDLY IN THE REAR OF SAID ESCUTCHEON PLATE AND INTEGRAL LOWER FOOT PORTIONS EXTENDING FROM THE LOWER ENDS OF SAID LEG PORTIONS HORIZONTALLY BELOW THE LOWER PUSHBUTTON OPENINGS; RIGID LOWER PUSHBUTTON ELEMENTS MOUNTED IN THE HOUSING AND HAVING PUSHBUTTON HEADS EXTENDING THROUGH THE LOWER PUSHBUTTON OPENINGS, INTEGRAL LEG PORTIONS EXTENDING ANGULARLY UPWARDLY IN THE REAR OF SAID ESCUTCHEON PLATE, AND INTEGRAL UPPER FOOT PORTIONS EXTENDING FROM THE UPPER ENDS OF SAID LEG PORTIONS HORIZONTALLY ABOVE THE UPPER PUSHBUTTON OPENINGS: ELECTRIC SWITCHES MOUNTED IN THE HOUSING AND HAVING OPERATING ARMS SPRING-PRESSED FORWARDLY INTO ENGAGEMENT WITH THE LEG PORTIONS OF SAID PUSHBUTTON ELEMENTS RESPECTIVELY AND THE FOOT PORTIONS OF ALL OF SAID PUSHBUTTON ELEMENTS SERVING AS FULCRUMS ABOUT WHICH SAID ELEMENTS PIVOT WHEN THE HEADS THEREOF ARE DEPRESSED TO OPERATE SAID SWITCHES RESPECTIVELY.

References Cited (Backward Citations)

US1519535A Cited
US2969439A Cited
US3028768A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-16 1967-12-16 1968-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-16 1971-12-16 1972-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-16 1975-12-16 1976-06-16 $7700.00 Window Closed / Lapsed

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