US3340516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Master-slave net control
Assignee: International Business Machines Corp
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Filing: 1965-04-27
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Granted: 1967-09-05
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Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Wilmer Paul Harbour
- 👤 Robert A Kolpek
- 👤 Thomas L Musto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:15
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/28; H04L12/40; H04L1/00; H04L1/12; H04L1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
ONE TERMINAL FOR USE IN A COMMUNICATIONS SYSTEM COMPRISING: MEANS ADAPTED TO BE RESPONSIVE WHEN SAID ONE TERMINAL RECEIVES AN ADDRESS TO THEN RECEIVE AND RECORD IN RESPONSE TO AT LEAST SOME UNIQUE SIGNALS AS RECEIVED, MEANS ADAPTED TO OBSERVE ERRORS IN AT LEAST SOME RECEIVED SIGNALS AND TO TRANSMIT A SIGNAL INDICATIVE OF SAID ERROR IN SAID RECEIVED SIGNALS, MEANS ADAPTED TO BE RESPONSIVE TO THE RECEIPT OF A FIRST UNIQUE SIGNAL, INCLUDING A SIGNAL SUITABLE TO ADDRESS AT LEAST ONE OTHER TERMINAL ESSENTIALLY IDENTICAL IN ADDRESSING RESPONSE TO SAID ONE TERMINAL, TO CONDITION SAID ONE TERMINAL TO RECEIVE AND RECORD WITHOUT TRANSMITTING SAID SIGNAL INDICATING ERROR, AND MEANS ADAPTED TO BE RESPONSIVE TO THE RECEIPT OF A SECOND UNIQUE SIGNAL, INCLUDING A SIGNAL SUITABLE TO ADDRESS AT LEAST ONE OTHER TERMINAL ESSENTIALLY IDENTICAL IN ADDRESSING RESPONSE TO SAID ONE TERMINAL, TO CONDITION SAID ONE TERMINAL TO RECEIVE AND RECORD AND TO TRANSMIT SAID SIGNAL INDICATIVE OF ERROR.
Claim 2
Dependent Claim
159 words
ONE TERMINAL FOR USE IN A COMMUNICATIONS SYSTEM COMPRISING: MEANS ADAPTED TO BE RESPONSIVE WHEN SAID ONE TERMINAL RECEIVES AN ADDRESS TO THEN RECEIVE AND RECORD IN RESPONSE TO AT LEAST SOME UNIQUE SIGNALS AS RECEIVED, MEANS ADAPTED TO OBSERVE ERRORS IN AT LEAST SOME RECEIVED SIGNALS AND TO TRANSMIT A SIGNAL INDICATIVE OF SAID ERROR IN SAID RECEIVED SIGNALS, MEANS ADAPTED TO BE RESPONSIVE TO THE RECEIPT OF A FIRST UNIQUE SIGNAL, INCLUDING A SIGNAL SUITABLE TO ADDRESS AT LEAST ONE OTHER TERMINAL ESSENTIALLY IDENTICAL IN ADDRESSING RESPONSE TO SAID ONE TERMINAL, TO CONDITION SAID ONE TERMINAL TO RECEIVE AND RECORD WITHOUT TRANSMITTING SAID SIGNAL INDICATING ERROR, AND MEANS ADAPTED TO BE RESPONSIVE TO THE RECEIPT OF A SECOND UNIQUE SIGNAL, INCLUDING A SIGNAL SUITABLE TO ADDRESS AT LEAST ONE OTHER TERMINAL ESSENTIALLY IDENTICAL IN ADDRESSING RESPONSE TO SAID ONE TERMINAL, TO CONDITION SAID ONE TERMINAL TO RECEIVE AND RECORD AND TO TRANSMIT SAID SIGNAL INDICATIVE OF ERROR.
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) | 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 |