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US3177461A Expired / Lapsed US ⏱️ 0.0 years remaining

Keying device

Assignee: BK Technologies Corp
•
Filing: 1958-03-31
•
Granted: 1965-04-06
•
Expires: 1978-03-31
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas G Hagan
  • 👤 Howard A Satterlee
  • 👤 Young Frink Mansfield

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:44
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/64; H01R13/645; H01R13/6453

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 106 words
IN A PAIR OF SEPARABLE ELECTRICAL CONNECTORS OF THE TYPE HAVING A PLURALITY OF SPACED INTERENGAGING CONTACT MEMBERS ON THE OPPOSING FACES THEREOF, THE IMPROVEMENT WHICH COMPRISES A SET OF OPPOSING FLANGES EXTENDING FROM SAID CONNECTORS AT ONE END THEREOF, SAID FLANGES BEING SPACED APART AND HAVING SHAPED OPENINGS THEREIN, A PAIR OF POLARIZING MEMBERS, SAID MEMBERS HAVING MATING PORTIONS WHICH COMPLEMENT EACH OTHER, AND MEANS FOR MOUNTING SAID MEMBERS IN A PLURALITY OF DIFFERENT ANGULAR POSITIONS ON THE RESPECTIVE FLANGES WITH THE MATING PORTIONS THEREOF IN COMPLEMENTARY RELATION, SAID MEANS INCLUDING MEMBERS CONNECTED TO THE POLARIZING MEMBERS AND FITTING THE SHAPED OPENINGS IN THE FLANGES.

References Cited (Backward Citations)

US651662A Cited
US627946A Cited
US867312A Cited
US1991822A Cited
US2230028A Cited
GB630333A Cited
US2490316A Cited
US2572448A Cited
US2746022A Cited
US2902665A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-05 1968-10-05 1969-04-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-05 1972-10-05 1973-04-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-05 1976-10-05 1977-04-06 $7700.00 Window Closed / Lapsed

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