US3558207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hologram system employing incoherent light
Assignee: Searle Medidata Inc
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Filing: 1966-12-06
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Granted: 1971-01-26
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Expires: 1986-12-06
Abstract
Abstract APPARATUS FOR PRODUCING A HOLOGRAM UTILIZING A NONCOHERENT LIGHT SOURCE. A UNITARY PRISM SYSTEM IS OPERATIVE TO DIVIDE THE LIGHT FROM EACH POINT OF AN OBJECT INTO TWO SEPARATE BEAMS AND TO DIRECT THE SEPARATE BEAMS TO A COMMON REGION OF A PHOTOSENSITIVE SURFACE TO PRODUCE THEREON A HOLOGRAM OF EACH OBJECT POINT.
Inventors
- 👤 Harvey R Worthington Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:12
CPC Classifications
G; G03; G03H; G03H1/00; G03H1/04; G03H1/06
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |