Patent US1740652A successfully refreshed from Google Patents.
Patent US3261111A successfully refreshed from Google Patents.
US3261111A
Expired / Lapsed
US
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Training equipment for telephone operators
Assignee: AT&T Inc
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Filing: 1963-09-13
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Granted: 1966-07-19
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Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Donald F Johnston
- 👤 Robert D Kroning
- 👤 Orost Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:40
CPC Classifications
G; G09; G09B; G09B9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN TRAINING EQUIPMENT FOR CONTROL BOARD ATTENDANTS, A TRAINING EQUIPMENT FOR CONTROL BOARD ATTENDANTS, INDICATING PROGRAM PROBLEMS TO A TRAINEE, A FIRST GROUP OF RELAYS FOR CONTROLLING SAID VISUAL INDICATORS, A GROUP OF MATCH RELAYS, A PROGRAM TAPE PERFORATED TO CONTROL THE ORIGINATION OF PROBLEM CODES AND OF RESPONSE CODES, A PLURALITY OF CODE TRANSMISSION LEADS. MEANS FOR CONNECTING SAID CODE TRANSMISSION LEADS TO SAID MATCH RELAYS, MEANS FOR TRANSMITTING RESPONSE CODES OVER SAID LEADS WHEN SO CONNECTED WHEREBY TO SELECTIVELY OPERATE MATCH RELAYS IN ACCORDANCE WITH THE PARTICULAR PROGRAM SEGMENT, MEANS EFFECTIVE UPON COMPLETION OF THE TRANSMISSION OF SAID RESPONSE CODES FOR CONNECTING SAID SAME CODE TRANSMISSION LEADS TO SAID FIRST GROUP OF RELAYS, MEANS FOR
Claim 2
Dependent Claim
117 words
IN TRAINING EQUIPMENT FOR CONTROL BOARD ATTENDANTS, A TRAINING EQUIPMENT FOR CONTROL BOARD ATTENDANTS, INDICATING PROGRAM PROBLEMS TO A TRAINEE, A FIRST GROUP OF RELAYS FOR CONTROLLING SAID VISUAL INDICATORS, A GROUP OF MATCH RELAYS, A PROGRAM TAPE PERFORATED TO CONTROL THE ORIGINATION OF PROBLEM CODES AND OF RESPONSE CODES, A PLURALITY OF CODE TRANSMISSION LEADS. MEANS FOR CONNECTING SAID CODE TRANSMISSION LEADS TO SAID MATCH RELAYS, MEANS FOR TRANSMITTING RESPONSE CODES OVER SAID LEADS WHEN SO CONNECTED WHEREBY TO SELECTIVELY OPERATE MATCH RELAYS IN ACCORDANCE WITH THE PARTICULAR PROGRAM SEGMENT, MEANS EFFECTIVE UPON COMPLETION OF THE TRANSMISSION OF SAID RESPONSE CODES FOR CONNECTING SAID SAME CODE TRANSMISSION LEADS TO SAID FIRST GROUP OF RELAYS, MEANS FOR
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |