Patent US2743988A successfully refreshed from Google Patents.
US2743988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplicating apparatus for making magnetic records
Assignee: NCR Voyix Corp
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Filing: 1950-03-18
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Granted: 1956-05-01
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Expires: 1970-03-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles S Allyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:22
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/86; G11B5/865
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A RECORDING ELEMENT FOR USE IN A DUPLICATING APPARATUS WHICH RECORDS THE SAME DATA ON MAGNETIZABLE RECORD MEMBERS, THE RECORDED DATA BEING IN THE FORM OF A PATTERN OF DISCRETE MAGNETIC MARKS WHICH, BY THEIR RELATIVE LOCATION IN THE PATTERN, PRESENT THE DATA, CONSISTING OF A SUPPORTING MEMBER AND A PLURALITY OF INDIVIDUAL PERMANENT MAGNETS MOUNTED ONLY AT PREDETERMINED POSITIONS THEREON WHICH ARE NECESSARY TO PRODUCE THE PARTICULAR PATTERN OF MAGNETIC MARKS HAVING THE REQUIRED RELATIVE POSITIONS TO REPRESENT THE DATA TO BE RECORDED, SAID MAGNETS HAVING RECORD-MEMBER-ENGAGING PORTIONS AND BEING CAPABLE OF PRODUCING THE SAME PATTERN OF MAGNETIC MARKS ON EACH OF THE RECORD MEMBERS MERELY BY CONTACT THEREWITH.
Claim 2
Dependent Claim
110 words
A RECORDING ELEMENT FOR USE IN A DUPLICATING APPARATUS WHICH RECORDS THE SAME DATA ON MAGNETIZABLE RECORD MEMBERS, THE RECORDED DATA BEING IN THE FORM OF A PATTERN OF DISCRETE MAGNETIC MARKS WHICH, BY THEIR RELATIVE LOCATION IN THE PATTERN, PRESENT THE DATA, CONSISTING OF A SUPPORTING MEMBER AND A PLURALITY OF INDIVIDUAL PERMANENT MAGNETS MOUNTED ONLY AT PREDETERMINED POSITIONS THEREON WHICH ARE NECESSARY TO PRODUCE THE PARTICULAR PATTERN OF MAGNETIC MARKS HAVING THE REQUIRED RELATIVE POSITIONS TO REPRESENT THE DATA TO BE RECORDED, SAID MAGNETS HAVING RECORD-MEMBER-ENGAGING PORTIONS AND BEING CAPABLE OF PRODUCING THE SAME PATTERN OF MAGNETIC MARKS ON EACH OF THE RECORD MEMBERS MERELY BY CONTACT THEREWITH.
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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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |