US3231861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic recognition of fingerprints by sensing the skin surface with electrical apparatus
Assignee: International Business Machines Corp
•
Filing: 1960-09-01
•
Granted: 1966-01-25
•
Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 Walter K French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:17
CPC Classifications
G; G07; G07C; G07C9/00; G07C9/30; G07C9/32; G07C9/37; G07C9/20; G07C9/22; G07C9/25; G07C9/257
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN APPARATUS FOR CONVERTING A DISTINCTIVE CONFIGURATION OF RIDGES AND VALLEYS OF A PREDETERMINED SKIN AREA OF AN INDIVIDUAL SUCH AS A HUMAN FINGERPRINT INTO ELECTRICAL REPRESENTATIONS SO THAT IT MAY BE HANDLED IN AN INFORMATION HANDLING SYSTEM, THE APPARATUS COMPRISING; A TRANSDUCER MEANS FOR TRANSDUCING THE PARTICULAR SKIN AREA ADJACENT THERETO INTO ELECTRICAL REPRESENTATIONS, MEANS FOR MOVING SAID TRANSDUCER AND A PORTION OF SKIN AREA OF AN INDIVIDUAL HAVING SAID DISTINCTIVE CONFIGURATION OF RIDGES AND VALLEYS RELATIVE TO EACH OTHER FOR SCANNING PURPOSES, MEANS FOR ORIENTING AND SUPPORTING THE PARTICULAR SKIN AREA OF EACH INDIVIDUAL IN PREDETERMINED RELATIONSHIP
Claim 2
Independent Claim
99 words
AN APPARATUS FOR CONVERTING A DISTINCTIVE CONFIGURATION OF RIDGES AND VALLEYS OF A PREDETERMINED SKIN AREA OF AN INDIVIDUAL SUCH AS A HUMAN FINGERPRINT INTO ELECTRICAL REPRESENTATIONS SO THAT IT MAY BE HANDLED IN AN INFORMATION HANDLING SYSTEM, THE APPARATUS COMPRISING; A TRANSDUCER MEANS FOR TRANSDUCING THE PARTICULAR SKIN AREA ADJACENT THERETO INTO ELECTRICAL REPRESENTATIONS, MEANS FOR MOVING SAID TRANSDUCER AND A PORTION OF SKIN AREA OF AN INDIVIDUAL HAVING SAID DISTINCTIVE CONFIGURATION OF RIDGES AND VALLEYS RELATIVE TO EACH OTHER FOR SCANNING PURPOSES, MEANS FOR ORIENTING AND SUPPORTING THE PARTICULAR SKIN AREA OF EACH INDIVIDUAL IN PREDETERMINED RELATIONSHIP
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |