Patent US3483513A successfully refreshed from Google Patents.
US3483513A
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US
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Holographic matched filter pattern recognition technique
Assignee: AT&T Inc
•
Filing: 1967-05-16
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Granted: 1969-12-09
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Expires: 1987-05-16
Abstract
No abstract record available.
Inventors
- 👤 Christoph B Burckhardt
- 👤 Robert J Collier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:08
CPC Classifications
G; G03; G03H; G03H1/00; G03H1/04; G03H1/18; G06; G06V; G06V10/00; G06V10/88; Y; Y10; Y10S; Y10S359/00; Y10S359/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124636A
Cited
US3195396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |