DE3379154D1 - Constant force cushion - Google Patents

Constant force cushion

Info

Publication number
DE3379154D1
DE3379154D1 DE8484900366T DE3379154T DE3379154D1 DE 3379154 D1 DE3379154 D1 DE 3379154D1 DE 8484900366 T DE8484900366 T DE 8484900366T DE 3379154 T DE3379154 T DE 3379154T DE 3379154 D1 DE3379154 D1 DE 3379154D1
Authority
DE
Germany
Prior art keywords
constant force
force cushion
cushion
constant
force
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8484900366T
Other languages
English (en)
Inventor
Robert H Graebe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE3379154D1 publication Critical patent/DE3379154D1/de
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/15—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/144—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities inside the mattress or cushion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S297/00—Chairs and seats
    • Y10S297/01—Foam
DE8484900366T 1982-12-20 1983-12-19 Constant force cushion Expired DE3379154D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45144582A 1982-12-20 1982-12-20
PCT/US1983/001983 WO1984002455A1 (en) 1982-12-20 1983-12-19 Constant force cushion

Publications (1)

Publication Number Publication Date
DE3379154D1 true DE3379154D1 (en) 1989-03-16

Family

ID=23792243

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484900366T Expired DE3379154D1 (en) 1982-12-20 1983-12-19 Constant force cushion

Country Status (4)

Country Link
US (1) US4713854A (de)
EP (1) EP0129589B1 (de)
DE (1) DE3379154D1 (de)
WO (1) WO1984002455A1 (de)

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Also Published As

Publication number Publication date
US4713854A (en) 1987-12-22
WO1984002455A1 (en) 1984-07-05
EP0129589B1 (de) 1989-02-08
EP0129589A1 (de) 1985-01-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee