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US3545834A
Expired / Lapsed
US
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Sequential information hologram record
Assignee: RCA Corp
•
Filing: 1966-04-27
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Granted: 1970-12-08
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Expires: 1986-04-27
Abstract
No abstract record available.
Inventors
- 👤 Hendrik J Gerritsen
- 👤 David L Greenaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:58
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; G; G03; G03H; G03H1/00; G11; G11B; G11B7/00; G11B7/004; G11B7/0065; G11B7/28; H04N5/89
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3191490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |