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US3353172A Expired / Lapsed US ⏱️ 0.0 years remaining

Clock controlled hotel signalling system

Assignee: Call-Boy Systems Inc
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Filing: 1964-09-09
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Granted: 1967-11-14
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Expires: 1984-09-09
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Abstract

No abstract record available.

Inventors

  • 👤 Freeman C Beilfuss

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:06
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 178 words
A HOSTELRY SIGNALING SYSTEM COMPRISING: POWER SUPPLY MEANS; A MASTER CLOCK CONTROL ASSOCIATED WITH SAID POWER SUPPLY MEANS AND HAVING A SWEEPING CONTACT AND A PLURALITY OF COOPERATIVE ELECTRICAL CONTACTS CLOSED AT TIME INTERVALS; A CONTROL CONSOLE INCLUDING A PLURALITY OF PRESETTABLE VARIABLE TIME SWITCHES, EACH IN ELECTRICAL COOPERATION WITH SAID CONTROL CONTACTS TO CLOSE CIRCUITS AT SELECTED TIMES; A LIKE PLURALITY OF FIRST AND SECOND SIGNALING MEANS, SAID FIRST SIGNALING MEANS BEING FOR INDIVIDUAL HOSTELRY ROOMS AND SAID SECOND SIGNALING MEANS BEING IN SAID CONSOLE AND CORRELATED TO RESPECTIVE TIME SWITCHES; SAID SIGNALING MEANS BEING NORMALLY INACTIVE; SAID FIRST SIGNALING MEANS EACH HAVING ELECTRICAL CONNECTIONS TO RESPECTIVE ONES OF SAID SWITCHES TO BE DIRECTLY ACTIVATED WITH CLOSING THEREOF; A PLURALITY OF CIRCUIT OPENING SIGNAL RELEASE MEANS FOR THE RESPECTIVE ROOMS; AND SAID SECOND SIGNALING MEANS HAVING TIME DELAY MEANS IN ELECTRICAL ASSOCIATION THEREWITH AND WITH SAID SWITCHES TO BE DELAY ACTIVATED THEREBY IN THE EVENT SAID FIRST SIGNALING MEANS IS NOT RELEASED AND SAID TIME DELAY MEANS ALSO BEING RELEASED WITH RELEASE OF SAID FIRST SIGNALING MEANS.
Claim 2
Dependent Claim 178 words
A HOSTELRY SIGNALING SYSTEM COMPRISING: POWER SUPPLY MEANS; A MASTER CLOCK CONTROL ASSOCIATED WITH SAID POWER SUPPLY MEANS AND HAVING A SWEEPING CONTACT AND A PLURALITY OF COOPERATIVE ELECTRICAL CONTACTS CLOSED AT TIME INTERVALS; A CONTROL CONSOLE INCLUDING A PLURALITY OF PRESETTABLE VARIABLE TIME SWITCHES, EACH IN ELECTRICAL COOPERATION WITH SAID CONTROL CONTACTS TO CLOSE CIRCUITS AT SELECTED TIMES; A LIKE PLURALITY OF FIRST AND SECOND SIGNALING MEANS, SAID FIRST SIGNALING MEANS BEING FOR INDIVIDUAL HOSTELRY ROOMS AND SAID SECOND SIGNALING MEANS BEING IN SAID CONSOLE AND CORRELATED TO RESPECTIVE TIME SWITCHES; SAID SIGNALING MEANS BEING NORMALLY INACTIVE; SAID FIRST SIGNALING MEANS EACH HAVING ELECTRICAL CONNECTIONS TO RESPECTIVE ONES OF SAID SWITCHES TO BE DIRECTLY ACTIVATED WITH CLOSING THEREOF; A PLURALITY OF CIRCUIT OPENING SIGNAL RELEASE MEANS FOR THE RESPECTIVE ROOMS; AND SAID SECOND SIGNALING MEANS HAVING TIME DELAY MEANS IN ELECTRICAL ASSOCIATION THEREWITH AND WITH SAID SWITCHES TO BE DELAY ACTIVATED THEREBY IN THE EVENT SAID FIRST SIGNALING MEANS IS NOT RELEASED AND SAID TIME DELAY MEANS ALSO BEING RELEASED WITH RELEASE OF SAID FIRST SIGNALING MEANS.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-11-13 1971-05-15 1971-11-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-11-13 1975-05-15 1975-11-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-11-13 1979-05-15 1979-11-14 $7700.00 Window Closed / Lapsed

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