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  1. Technology classes
  2. /A · Human necessities
  3. /A47 · Furniture
  4. /A47C · Chairs
  5. /A47C 4/00 · Foldable, collapsible or dismountable chairs
  6. /A47C 4/28 · Folding chairs with flexible coverings for the seat or back elements
  7. /A47C 4/32 · Having a frame made of wood or plastics
  8. /A47C 4/34 · With legs pivotably connected to seat or underframe
  9. /A47C 4/38 · With cross legs
  10. /A47C 4/40
A47C 4/40

Of adjustable type

Official title: of adjustable type

A47C4/40 (Of adjustable type) appears on 10 US grants and 6 published applications in this corpus.

Search patents in A47C

Where it sits

  1. AHuman necessities
  2. A47Furniture
  3. A47CChairs
  4. A47C 4/00Foldable, collapsible or dismountable chairs
  5. A47C 4/28Folding chairs with flexible coverings for the seat or back elements
  6. A47C 4/32Having a frame made of wood or plastics
  7. A47C 4/34With legs pivotably connected to seat or underframe
  8. A47C 4/38With cross legs
  9. A47C 4/40Of adjustable type
Granted patents
10
Published applications
6
Assignees
2
Inventors
10
Latest grant
21 May 2024

Filings by year

Granted patentsPublished applications
A47C 4/40: granted patents and published applications per publication year
YearGranted patentsPublished applications
198110
198200
198300
198410
198500
198600
198700
198800
198910
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200101
200221
200300
200400
200510
200600
200700
200800
200900
201000
201100
201201
201300
201401
201521
201600
201700
201800
201901
202000
202110
202200
202300
202410

19811991200120112024

By publication year. Applications have been published since 2001.

Recent patents

  • Foldable chair21 May 2024US 11,986,098 B1
  • Seat occupancy indicator device and method2 Mar 2021US 10,932,579 B2
  • Seat having a flexible connection3 Nov 2015US 9,173,497 B2
  • Reclinable chair28 Jul 2015US 9,089,220 B2
  • Multi-functional portable folding rocking chair18 Jan 2005US 6,843,527 B2
  • Seat occupancy indicator device and method26 Sep 2019US 2019/0290009 A1
  • Reclinable chair5 Feb 2015US 2015/0035335 A1
  • Seat Having A Flexible Connection13 Mar 2014US 2014/0070582 A1
  • Collapsible chair12 Jul 2012US 2012/0175917 A1
  • Continuously adjustable lawn furniture with flexible seat21 Feb 2002US 2002/0021037 A1

Most cited

By later US patents
  • Multi-functional portable folding rocking chair24US 6,354,657 B12002
  • Sling chair23US 4,252,367 AThe Telescope Folding Furniture Co., Inc. · 1981
  • Multi-functional portable folding rocking chair16US 6,843,527 B22005
  • Jointed article of furniture15US 4,482,186 AAbra Inc. · 1984
  • Pivot hinge13US 4,807,330 AAbra Inc. · 1989

Top assignees

Documents
  • AAbra Inc.2
  • TFThe Telescope Folding Furniture Co., Inc.1

Often classified with

  • F16CShafts2
  • Y10TTechnical subjects covered by former us classification2
  • A63FCard, board, or roulette games1

Documents that also carry the other class.

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