Door lock device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5186504
SERIAL NO

07854408

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A door lock device which comprises a structural base body by which a latch plate and a control mechanism for the latch plate are operatively carried; and a cover plate attached to the structural base body in a manner to cover the latch plate. The cover plate includes larger and smaller flat portions which are mutually intersected and the cover plate has an enclosed aperture which extends between the larger and smaller flat portions and through which the latch plate is exposed.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
OHI SEISAKUSHO CO LTDYOKOHAMA-SHI KANAGAWA-KEN 235

International Classification(s)

loading....
  • 1992 Application Filing Year
  • E05C Class
  • 168 Applications Filed
  • 70 Patents Issued To-Date
  • 41.67 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances19921993199419950255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyagawa, Masazumi Yokohama, JP 10 184
Nakamura, Hitoshi Yokohama, JP 260 2790
Takaishi, Tatsuyuki Yokohama, JP 8 195

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 14 Citation Count
  • E05C Class
  • 74.25 % this patent is cited more than
  • 32 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges511930102101 - 1011 - 2021 - 3031 - 4041 - 500102030405060708090100110120130

Forward Cite Landscape

Load Citation