US3087382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical opaque projection systems
Assignee: Individual
•
Filing: 1960-01-26
•
Granted: 1963-04-30
•
Expires: 1980-01-26
Abstract
No abstract record available.
Inventors
- 👤 Nygorden Per Johan Berggren De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:26
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
OPTICAL PROJECTOR APPARATUS FOR DISPLAYING AN IMAGE OF THE SURFACE DETAIL OF OPAQUE OBJECTS, COMPRISING AN OBJECT SUPPORT, A PROJECTION LENS SYSTEM FOR PROJECTING ONTO A VIEWING SCREEN RAYS OF LIGHT FROM AN EXTENDED SURFACE OF AN OBJECT ON SAID SUPPORT, A PLURALITY OF OBJECTILLUMINATING LIGHT SOURCES DISPOSED AT EQUAL DISTANCES ON OPPOSITE SIDES OF THE OPTICAL AXIS OF SAID PROJECTION LENS SYSTEM AND ON THE SAME SIDE OF SAID OBJECT SUPPORT AS SAID LENS SYSTEM, AND INDIVIDUAL OBJECT-ILLUMINATING BEAM PROJECTOR OPTICAL SYSTEMS ASSOCIATED WITH SAID LIGHT SOURCES AND CONSTRUCTED AND ARRANGED TO DIRECT INDIVIDUAL CONDENSED BEAMS OF LIGHT UPON ADJACENT SEPARATE AREA PORTIONS OF SAID EXTENDED SURFACE OF AN OPAQUE OBJECT ON SAID OBJECT SUPPORT ALONG RESPECTIVE AXES CLOSELY BUNCHED ABOUT THE SAID OPTICAL AXIS OF SAID PROJECTION LENS SYSTEM.
Claim 2
Dependent Claim
131 words
OPTICAL PROJECTOR APPARATUS FOR DISPLAYING AN IMAGE OF THE SURFACE DETAIL OF OPAQUE OBJECTS, COMPRISING AN OBJECT SUPPORT, A PROJECTION LENS SYSTEM FOR PROJECTING ONTO A VIEWING SCREEN RAYS OF LIGHT FROM AN EXTENDED SURFACE OF AN OBJECT ON SAID SUPPORT, A PLURALITY OF OBJECTILLUMINATING LIGHT SOURCES DISPOSED AT EQUAL DISTANCES ON OPPOSITE SIDES OF THE OPTICAL AXIS OF SAID PROJECTION LENS SYSTEM AND ON THE SAME SIDE OF SAID OBJECT SUPPORT AS SAID LENS SYSTEM, AND INDIVIDUAL OBJECT-ILLUMINATING BEAM PROJECTOR OPTICAL SYSTEMS ASSOCIATED WITH SAID LIGHT SOURCES AND CONSTRUCTED AND ARRANGED TO DIRECT INDIVIDUAL CONDENSED BEAMS OF LIGHT UPON ADJACENT SEPARATE AREA PORTIONS OF SAID EXTENDED SURFACE OF AN OPAQUE OBJECT ON SAID OBJECT SUPPORT ALONG RESPECTIVE AXES CLOSELY BUNCHED ABOUT THE SAID OPTICAL AXIS OF SAID PROJECTION LENS SYSTEM.
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |