Patent US3519323A successfully refreshed from Google Patents.
US3519323A
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Hologram method and apparatus for recording and reconstructing multicolor images
Assignee: AT&T Inc
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Filing: 1966-08-30
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Granted: 1970-07-07
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Expires: 1986-08-30
Abstract
No abstract record available.
Inventors
- 👤 Robert J Collier
- 👤 Keith S Pennington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:43
CPC Classifications
G; G03; G03H; G03H1/00; G03H1/04; G03H1/10; G03H1/12; G03H1/22; G03H1/2249; G03H1/24; G03H1/26; G03H1/28; G03H1/02; G03H2001/026; G03H2001/2263; G03H2001/2271; G03H2210/00; G03H2210/20; G03H2210/30; G03H2222/00; G03H2222/10; G03H2222/13; G03H2223/00; G03H2223/14; G03H2240/00; G03H2240/50; G03H2240/55; Y; Y10; Y10S; Y10S359/00; Y10S359/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |