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US3138805A Expired / Lapsed US ⏱️ 0.0 years remaining

Bed-wheelchair

Assignee: Individual
•
Filing: 1961-04-11
•
Granted: 1964-06-30
•
Expires: 1981-04-11
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Abstract

No abstract record available.

Inventors

  • 👤 Salvatore J Piazza

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 06:20
CPC Classifications
A; A61; A61G; A61G7/00; A61G5/00; A61G5/006; A61G7/10; A61G7/16; A61G7/165; Y; Y10; Y10S; Y10S297/00; Y10S297/04

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 140 words
A CONVERTIBLE BED-CHAIR COMPRISING MULTIPLE FRAMEMATTRESS UNITS DIMENSIONED TO BE DISPOSED IN END-TO-END RELATION TO PROVIDE A SINGLE BED WITH THE CENTER UNIT DISPOSED UNDER THE PELVIC PORTION OF A RECUMBENT PATIENT, MEANS FOR DETACHABLY INTERCONNECTING SAID UNITS IN RIGID BED FORM, SAID CENTER UNIT HAVING A FOLDABLE MATTRESS ADAPTED TO PROVIDE A SEAT CUSHION PORTION AND A BACK-REST PORTION FOR THE PATIENT WHEN SEATED UPON SAID SEAT CUSHION PORTION WITH HIS LEGS HANGING OVER THE SIDE THEREOF, SAID CENTER UNIT INCLUDING HINGED FRAME MEANS MOVABLE TO SUPPORT SAID BACK-REST PORTION IN PATIENT SITTING POSITION, MEANS NORMALLY HANGING BELOW SAID FRAME AND SWINGABLE INTO UPRIGHT STANDING POSITIONS TO PROVIDE ARM-RESTS AT OPPOSITE SIDES OF SAID UNIT, AND LATCH DEVICES CARRIED BY SAID ARM-RESTS AND DETACHABLY ENGAGEABLE WITH SAID BACKREST SUPPORT TO MAINTAIN SAID ARM-REST AND BACK-REST IN PATIENT SEATING ATTITUDES.

References Cited (Backward Citations)

US189964A Cited
US396607A Cited
DE479379C Cited
GB190920137A Cited
US1787380A Cited
AT153781B Cited
US2609862A Cited
US2565065A Cited
US2607929A Cited
GB701077A Cited
US2817854A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-30 1967-12-30 1968-06-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-30 1971-12-30 1972-06-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-30 1975-12-30 1976-06-30 $7700.00 Window Closed / Lapsed

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