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US3340465A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for determining elapsed time between the closure of contacts operated in a numbered sequence

Assignee: AT&T Teletype Corp
•
Filing: 1963-06-14
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Granted: 1967-09-05
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Expires: 1983-06-14
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Abstract

No abstract record available.

Inventors

  • 👤 Robert C Clark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:12
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/327; G01R31/3277; G01R31/3278

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 162 words
AN APPARATUS FOR DETERMINING THE TIME THAT ELAPSES BETWEEN THE CLOSURE OF CONTACT PAIRS OPERATING IN A NUMBERED SEQUENCE COMPRISING, (A) A PLURALITY OF CONTACT PAIRS, (B) MEANS FOR CLOSING THE CONTACT PAIRS IN A NUMBERED SEQUENCE, (C) A SWITCH HAVING TWO OPERATIVE CONDITIONS, (D) A RECORDER OPERABLE UNDER CONTROL OF SAID SWITCH FOR RECORDING THE TIME OF THE OCCURRENCE OF A TRANSITION FROM ONE OPERATIVE CONDITION OF THE SWITCH TO ITS OTHER OPERATIVE CONDITION, (E) MEANS OPERATIVE IN RESPONSE TO THE CLOSURE OF AN ODD-NUMBERED ONE OF SAID CONTACT PAIRS OPERATED IN THE NUMBERED SEQUENCE OF CONTACT PAIRS FOR CAUSING SAID SWITCH TO GO FROM ONE OPERATIVE CONDITION TO THE OTHER OF ITS OPERATIVE CONDITIONS, (F) MEANS OPERATIVE IN RESPONSE TO THE CLOSURE OF AN EVEN-NUMBERED ONE OF SAID CONTACT PAIRS OPERATED AFTER OPERATION OF THE ODD-NUMBERED ONE OF SAID CONTACT PAIRS FOR CAUSING SAID SWITCH TO GO FROM THE OTHER OF ITS OPERATIVE CONDITIONS TO ITS ONE OPERATIVE CONDITION, AND
Claim 2
Independent Claim 162 words
AN APPARATUS FOR DETERMINING THE TIME THAT ELAPSES BETWEEN THE CLOSURE OF CONTACT PAIRS OPERATING IN A NUMBERED SEQUENCE COMPRISING, (A) A PLURALITY OF CONTACT PAIRS, (B) MEANS FOR CLOSING THE CONTACT PAIRS IN A NUMBERED SEQUENCE, (C) A SWITCH HAVING TWO OPERATIVE CONDITIONS, (D) A RECORDER OPERABLE UNDER CONTROL OF SAID SWITCH FOR RECORDING THE TIME OF THE OCCURRENCE OF A TRANSITION FROM ONE OPERATIVE CONDITION OF THE SWITCH TO ITS OTHER OPERATIVE CONDITION, (E) MEANS OPERATIVE IN RESPONSE TO THE CLOSURE OF AN ODD-NUMBERED ONE OF SAID CONTACT PAIRS OPERATED IN THE NUMBERED SEQUENCE OF CONTACT PAIRS FOR CAUSING SAID SWITCH TO GO FROM ONE OPERATIVE CONDITION TO THE OTHER OF ITS OPERATIVE CONDITIONS, (F) MEANS OPERATIVE IN RESPONSE TO THE CLOSURE OF AN EVEN-NUMBERED ONE OF SAID CONTACT PAIRS OPERATED AFTER OPERATION OF THE ODD-NUMBERED ONE OF SAID CONTACT PAIRS FOR CAUSING SAID SWITCH TO GO FROM THE OTHER OF ITS OPERATIVE CONDITIONS TO ITS ONE OPERATIVE CONDITION, AND

References Cited (Backward Citations)

US2152524A Cited
US2468308A Cited
US2611808A Cited
US2586999A Cited
US2877405A Cited
US2945990A Cited
US2989666A Cited
US3235794A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-09-04 1971-03-06 1971-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-09-04 1975-03-06 1975-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-09-04 1979-03-06 1979-09-05 $7700.00 Window Closed / Lapsed

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