US3209331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data control apparatus
Assignee: International Business Machines Corp
•
Filing: 1961-05-10
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Granted: 1965-09-28
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Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Onley E Arnold
- 👤 Gerald J Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:48
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/06; G06F3/0601; G06F3/0668; G06F3/0671; G06F3/0673; G06F3/0682
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
APPARATUS FOR ASYNCHRONOUSLY CONTROLLING THE TRANSFER OF DATA FROM A DATA SOURCE TO A DATA UTILIZATION DEVICE COMPRISING; A FIRST DATA TRANSFER REGISTER FOR STORING A SINGLE DATA CHARACTER AT ANY ONE TIME; CONTROL MEANS FOR SUCCESSIVELY ENTERING IN A SERIAL FASHION DATA CHARACTERS FROM SAID DATA SOURCE INTO SAID FIRST DATA TRANSFER REGISTER AT DISCRETE TIMED INTERVALS; FIRST DATA INDICATING MEANS FOR INDICATING THAT DATA HAS TRANSFERRED TO SAID FIRST DATA TRANSFER REGISTER, SAID FIRST DATA INDICATING MEANS BEING CONNECTED TO BE SET BY SAID CONTROL MEANS WHEN THE SAME ENTERS DATA INTO SAID FIRST DATA TRANSFER REGISTER; A SECOND DATA TRANSFER REGISTER FOR STORING A SINGLE CHARACTER OF DATA AT ANY ONE TIME, SAID SECOND DATA TRANSFER REGISTER BEING CONNECTED TO RECEIVE DATA FROM SAID FIRST DATA TRANSFER DEVICE; A FIRST DATA CONTROL DEVICE FOR CONTROLLING THE PASSAGE OF DATA FROM SAID FIRST DATA TRANSFER REGISTER TO SAID SECOND DATA TRANSFER REGISTER; SECOND DATA INDICATING MEANS FOR INDICATING THAT DATA HAS BEEN TRANSFERRED TO SAID SECOND DATA TRANSFER REGISTER, SAID SECOND INDICATING MEANS BEING CON-
Claim 2
Dependent Claim
177 words
APPARATUS FOR ASYNCHRONOUSLY CONTROLLING THE TRANSFER OF DATA FROM A DATA SOURCE TO A DATA UTILIZATION DEVICE COMPRISING; A FIRST DATA TRANSFER REGISTER FOR STORING A SINGLE DATA CHARACTER AT ANY ONE TIME; CONTROL MEANS FOR SUCCESSIVELY ENTERING IN A SERIAL FASHION DATA CHARACTERS FROM SAID DATA SOURCE INTO SAID FIRST DATA TRANSFER REGISTER AT DISCRETE TIMED INTERVALS; FIRST DATA INDICATING MEANS FOR INDICATING THAT DATA HAS TRANSFERRED TO SAID FIRST DATA TRANSFER REGISTER, SAID FIRST DATA INDICATING MEANS BEING CONNECTED TO BE SET BY SAID CONTROL MEANS WHEN THE SAME ENTERS DATA INTO SAID FIRST DATA TRANSFER REGISTER; A SECOND DATA TRANSFER REGISTER FOR STORING A SINGLE CHARACTER OF DATA AT ANY ONE TIME, SAID SECOND DATA TRANSFER REGISTER BEING CONNECTED TO RECEIVE DATA FROM SAID FIRST DATA TRANSFER DEVICE; A FIRST DATA CONTROL DEVICE FOR CONTROLLING THE PASSAGE OF DATA FROM SAID FIRST DATA TRANSFER REGISTER TO SAID SECOND DATA TRANSFER REGISTER; SECOND DATA INDICATING MEANS FOR INDICATING THAT DATA HAS BEEN TRANSFERRED TO SAID SECOND DATA TRANSFER REGISTER, SAID SECOND INDICATING MEANS BEING CON-
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |