Patent US3355153A successfully refreshed from Google Patents.
Patent US3100834A successfully refreshed from Google Patents.
US3100834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic data processing
Assignee: International Business Machines Corp
•
Filing: 1959-06-30
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Granted: 1963-08-13
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Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Demer
- 👤 Martin J Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:24
CPC Classifications
G; G06; G06K; G06K1/00; G06K1/12; G06K1/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE METHOD OF MAKING A STATISTICAL RECORD CARD WHICH COMPRISES PREPARING ON THE SURFACE OF A UNIT OF CARD STOCK A MATRIX OF SENSIBLE DISCRETE SPOTS, COVERING SAID UNIT WITH A MASTER RECORD HAVING MEANS TO MASK SELECTED ONES OF SAID SPOTS IN ACCORDANCE WITH A DATAREPRESENTING CODE PATTERN, AND EXPOSING SAID UNIT THROUGH SAID MASTER RECORD TO A DISTRIBUTED FIELD OF FORCE CAPABLE OF RENDERING THE UNMASKED SPOTS NON-SENSIBLE.
Claim 2
Independent Claim
70 words
THE METHOD OF MAKING A STATISTICAL RECORD CARD WHICH COMPRISES PREPARING ON THE SURFACE OF A UNIT OF CARD STOCK A MATRIX OF SENSIBLE DISCRETE SPOTS, COVERING SAID UNIT WITH A MASTER RECORD HAVING MEANS TO MASK SELECTED ONES OF SAID SPOTS IN ACCORDANCE WITH A DATAREPRESENTING CODE PATTERN, AND EXPOSING SAID UNIT THROUGH SAID MASTER RECORD TO A DISTRIBUTED FIELD OF FORCE CAPABLE OF RENDERING THE UNMASKED SPOTS NON-SENSIBLE.
References Cited (Backward Citations)
US2734100A
Cited
US1653467A
Cited
US2254931A
Cited
US2484642A
Cited
US2496047A
Cited
US2547838A
Cited
US2610257A
Cited
US2698928A
Cited
US2849542A
Cited
US2779540A
Cited
US2906827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |