FR724313A - Improvements to metal or similar box springs - Google Patents
Improvements to metal or similar box springsInfo
- 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
Links
- 239000002184 metal Substances 0.000 title 1
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
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) |
-
1931
- 1931-08-19 US US558153A patent/US1919841A/en not_active Expired - Lifetime
- 1931-10-06 GB GB27799/31A patent/GB390228A/en not_active Expired
- 1931-10-13 DE DEI42764D patent/DE582906C/en not_active Expired
- 1931-10-13 FR FR724313D patent/FR724313A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1919841A (en) | 1933-07-25 |
GB390228A (en) | 1933-04-06 |
DE582906C (en) | 1933-08-24 |
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