FR724313A - Improvements to metal or similar box springs - Google Patents

Improvements to metal or similar box springs

Info

Publication number
FR724313A
FR724313A FR724313DA FR724313A FR 724313 A FR724313 A FR 724313A FR 724313D A FR724313D A FR 724313DA FR 724313 A FR724313 A FR 724313A
Authority
FR
France
Prior art keywords
metal
box springs
similar box
similar
springs
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
Other languages
French (fr)
Inventor
Warwick Whitson Impey
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 filed Critical
Application granted granted Critical
Publication of FR724313A publication Critical patent/FR724313A/en
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
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/12—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type
    • A47C23/14—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type forming nets; combined with nets
    • A47C23/145—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type forming nets; combined with nets with horizontal interlocking wound springs; Attachment thereof to the frame
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/12—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type
    • A47C23/28—Tensioning devices therefor
FR724313D 1930-08-30 1931-10-13 Improvements to metal or similar box springs Expired FR724313A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NZ1919841X 1930-08-30
GB27799/31A GB390228A (en) 1930-08-30 1931-10-06 Improvements in wire mattresses
DEI42764D DE582906C (en) 1930-08-30 1931-10-13 Net mattress with net support rollers rotatably mounted on the frame ends

Publications (1)

Publication Number Publication Date
FR724313A true FR724313A (en) 1932-04-25

Family

ID=46447184

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724313D Expired FR724313A (en) 1930-08-30 1931-10-13 Improvements to metal or similar box springs

Country Status (4)

Country Link
US (1) US1919841A (en)
DE (1) DE582906C (en)
FR (1) FR724313A (en)
GB (1) GB390228A (en)

Also Published As

Publication number Publication date
US1919841A (en) 1933-07-25
GB390228A (en) 1933-04-06
DE582906C (en) 1933-08-24

Similar Documents

Publication Publication Date Title
FR711484A (en) Improvements to metal beams
FR706026A (en) Improvements to taps
FR724313A (en) Improvements to metal or similar box springs
FR703537A (en) Box
FR697005A (en) Improvements to metal box springs
FR716710A (en) Improvements to levels
FR697222A (en) Improvements to metal wheels
FR699101A (en) Improvements to valves
FR656987A (en) Improvements to metal boxes
FR694377A (en) Improvements to taps
FR716844A (en) Improvements to beams
FR697451A (en) Improvements to boxes
FR724804A (en) Improvements to service boxes
FR694714A (en) Improvements to boilers
FR690531A (en) Improvements to fireplaces
FR722086A (en) Improvements to safes
FR38830E (en) Improvements to mechanical backfillers
FR724133A (en) Improvements to vehicles
FR688007A (en) Improvements to grinders
FR39417E (en) Improvements to grinders
FR39045E (en) Improvements to grinders
FR722284A (en) Box
FR691191A (en) Improvements to taps
FR38843E (en) Improvements to taps
FR710363A (en) Metal box