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
•
Granted: 1967-09-05
•
Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Robert C Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:51
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
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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 |