Patent US3218612A successfully refreshed from Google Patents.
US3218612A
Expired / Lapsed
US
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Data transfer system
Assignee: International Business Machines Corp
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Filing: 1961-11-09
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Granted: 1965-11-16
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Expires: 1981-11-09
Abstract
No abstract record available.
Inventors
- 👤 Jr John H Sorg
- 👤 James D Calvert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:21
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/1008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
IN A DATA TRANSFER SYSTEM FOR THE ASSEMBLY OF ELEMENTS OF A PERMUTATION CODE GROUP INCLUDING A SUBGROUP GIVING ERROR DETECTING AND ERROR CORRECTING PROPERTIES TO THE CODE GROUP, THE COMBINATION COMPRISING: MEANS FOR SEQUENTIALLY RECEIVING A PORTION OF THE PERMUTATION CODE GROUP AND AN ASSOCIATED OPENRAND, SAID OPERAND GIVING ERROR DETECTING AND CORRECTING PROPERTIES TO THE ASSOCIATED PORTION OF THE CODE GROUP; MEANS RESPONSIVE TO EACH OF SAID PORTIONS AND OPERANDS AS RECEIVED TO CORRECT ERRORS IN SAID PORTIONS OF OPERANDS ARE RECEIVED; MEANS TO TRANSFER AND ASSEMBLE SAID PORTION TO FORM THE PERMUTATION CODE GROUP; AND MEANS TO COMBINE SAID OPERANDS OF ALL SAID PORTIONS TO FORM SAID SUBGROUP FOR INCLUSION WITH THE ASSEMBLED PERMUTATION CODE GROUP.
Claim 2
Dependent Claim
119 words
IN A DATA TRANSFER SYSTEM FOR THE ASSEMBLY OF ELEMENTS OF A PERMUTATION CODE GROUP INCLUDING A SUBGROUP GIVING ERROR DETECTING AND ERROR CORRECTING PROPERTIES TO THE CODE GROUP, THE COMBINATION COMPRISING: MEANS FOR SEQUENTIALLY RECEIVING A PORTION OF THE PERMUTATION CODE GROUP AND AN ASSOCIATED OPENRAND, SAID OPERAND GIVING ERROR DETECTING AND CORRECTING PROPERTIES TO THE ASSOCIATED PORTION OF THE CODE GROUP; MEANS RESPONSIVE TO EACH OF SAID PORTIONS AND OPERANDS AS RECEIVED TO CORRECT ERRORS IN SAID PORTIONS OF OPERANDS ARE RECEIVED; MEANS TO TRANSFER AND ASSEMBLE SAID PORTION TO FORM THE PERMUTATION CODE GROUP; AND MEANS TO COMBINE SAID OPERANDS OF ALL SAID PORTIONS TO FORM SAID SUBGROUP FOR INCLUSION WITH THE ASSEMBLED PERMUTATION CODE GROUP.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |