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US3221109A Expired / Lapsed US ⏱️ 0.0 years remaining

Telephone line selection device

Assignee: Individual
•
Filing: 1962-02-28
•
Granted: 1965-11-30
•
Expires: 1982-02-28
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Abstract

No abstract record available.

Inventors

  • 👤 Day Donald
  • 👤 Harano Kiyomi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 05:18
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/66; H04M1/677

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 101 words
A TELEPHONE LINE SELECTION MECHANISM COMPRISING, A TELEPHONE DIAL JOURNALLED FOR ROTATION AND MEANS ASSOCIATED THEREWITH FOR EFFECTING A TELEPHONE LINE SELECTION UPON MOVEMENT OF SAID DIAL THROUGH A PLURALITY OF PASSS WHEREIN EACH PASS IS COMPOSED OF DIAL MOTION TO AND FROM A DISCREET NUMBER OF CIRCUMFERENTIALLY SPACED POSITIONS, MEANS FOR BLOCKING MOTION OF SAID DIAL, A DEVICE HAVING A MECHANICAL CONNECTION TO AND SENSING THE EXTENT OF ROTATION OF SAID DIAL TO SAID POSITION IN ONE OF SAID PASSES, AND MEANS ACTIVATED BY SAID DEVICE IN AT LEAST ONE OF SAID DIAL POSITIONS FOR ACTIVATING SAID DIAL BLOCKING MEANS.
Claim 2
Dependent Claim 101 words
A TELEPHONE LINE SELECTION MECHANISM COMPRISING, A TELEPHONE DIAL JOURNALLED FOR ROTATION AND MEANS ASSOCIATED THEREWITH FOR EFFECTING A TELEPHONE LINE SELECTION UPON MOVEMENT OF SAID DIAL THROUGH A PLURALITY OF PASSS WHEREIN EACH PASS IS COMPOSED OF DIAL MOTION TO AND FROM A DISCREET NUMBER OF CIRCUMFERENTIALLY SPACED POSITIONS, MEANS FOR BLOCKING MOTION OF SAID DIAL, A DEVICE HAVING A MECHANICAL CONNECTION TO AND SENSING THE EXTENT OF ROTATION OF SAID DIAL TO SAID POSITION IN ONE OF SAID PASSES, AND MEANS ACTIVATED BY SAID DEVICE IN AT LEAST ONE OF SAID DIAL POSITIONS FOR ACTIVATING SAID DIAL BLOCKING MEANS.

References Cited (Backward Citations)

US1454496A Cited
US2716160A Cited
US2921142A Cited
US2965719A Cited
US3055984A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-29 1969-05-31 1969-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-29 1973-05-31 1973-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-29 1977-05-31 1977-11-30 $7700.00 Window Closed / Lapsed

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