Hinge device for rotating door

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10920476
SERIAL NO

16676475

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to a hinge device for a rotating door, and more particularly, to a hinge device for a rotating door, which is mounted on the rotating door so that the door can be opened and closed while rotating in various ways. The hinge device for the rotating door of the present invention rotates by an external force and then rotated in a free stop manner at a certain section, and automatically rotates in a reverse direction at a section where the hinge device reversely rotates after free stop rotation.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
PARTSTEC CONSTRUCTION CO LTD122-4 CHEOMDANGIEOP 7-RO SANDONG-MYEON GUMI-SI GYEONGSANGBUK-DO 39167

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, In Ho Gyeongsangbuk-do, KR 30 253
Jeong, Jae Yeong Gumi-si, KR 3 1
Jeong, Kil Seok Gumi-si, KR 4 8

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 16, 2028
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 16, 2032
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00