US3196397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Specimen identification techniques employing nth-order autocorrelation functions
Assignee: International Business Machines Corp
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Filing: 1961-06-19
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Granted: 1965-07-20
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Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Herman H Goldstine
- 👤 Lawrence P Horwitz
- 👤 Jr Glenmore L Shelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:52
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/40; G06V10/42; G06V10/20; G06V10/70; G06V10/74; G06V10/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A SPECIMEN IDENTIFICATION APPARATUS, COMPRISING IN COMBINATION: MEANS FOR GENERATING A FUNCTION OF NTHORDER AUTOCORRELATION FUNCTION OF SPECIMEN DATA LOCATED THROUGHOUT THE SPECIMEN, WHERE N IS GREATER THAN ONE; AND MEANS FOR COMPRISING THE FUNCTION WITH FUNCTIONS OF REFERENCE PORTION, TO IDENTIFY THE SPECIMEN.
Claim 2
Dependent Claim
44 words
A SPECIMEN IDENTIFICATION APPARATUS, COMPRISING IN COMBINATION: MEANS FOR GENERATING A FUNCTION OF NTHORDER AUTOCORRELATION FUNCTION OF SPECIMEN DATA LOCATED THROUGHOUT THE SPECIMEN, WHERE N IS GREATER THAN ONE; AND MEANS FOR COMPRISING THE FUNCTION WITH FUNCTIONS OF REFERENCE PORTION, TO IDENTIFY THE SPECIMEN.
References Cited (Backward Citations)
US2663758A
Cited
US2731621A
Cited
US2854191A
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US2948890A
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US2968789A
Cited
US2938670A
Cited
US2941187A
Cited
US2978675A
Cited
US2985298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |