US3205770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microprojector
Assignee: AC Gilbert Co
•
Filing: 1963-01-11
•
Granted: 1965-09-14
•
Expires: 1983-01-11
Abstract
No abstract record available.
Inventors
- 👤 Paul C Koch
- 👤 Jr Nobile A Zambrano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:37
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/36; G02B21/364
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A MICROPROJECTOR COMPRISING, A LIGHT EXCLUDING ELBOW-SHAPED HOLLOW HOUSING HAVING A PROXIMAL END PORTION TERMINATING AT AN OPEN VIEWING MOUTH AND A DISTAL END PORTION ANGULARLY RELATED TO SAID PROXIMAL END PORTION IN OPEN COMMUNICATION WITH THE LATTER AT AN ANGULAR JUNCTION OF SAID END PORTIONS, A LENS AT SAID DISTAL END PORTION IN THE PATH OF LIGHT RAYS EMANATING FROM A SPECIMEN OUTSIDE SAID DISTAL END PORTION OF SAID HOUSING AND OPERATIVE TO PROJECT SAID RAYS DIRECTLY TO SAID ANGULAR JUNCTION, A MIRROR POSITIONED AT SAID JUNCTION INCLINED AT AN ANGLE DIRECTLY TO RECEIVE AND REFLECT SAID RAYS TOWARD SAID VIEWING MOUTH, AND A RAY ARRESTING SCREEN SPANNING SAID VEIWING MOUTH AT SUCH DISTANCE FROM SAID MIRROR THAT SAID REFLECTED RAYS DIVERGE AFTER LEAVING SAID MIRROR AND ARE FOCUSED ON SAID SCREEN TO FORM THEREON AN IMAGE OF THE SPECIMEN THAT IS LARGER THAN WOULD BE FOCUSE ON A SCREEN AT THE LOCUS OF SAID MIRROR AND VISIBLE FROM THE EXTERIOR OF SAID HOUSIGN, THE STANDARD OF A MICRO SCOPE, AND MOUNTING MEANS ON THE EXTERNAL SURFACE OF SAID HOUSING IN THE CROTCH OF SAID ANGULAR JUNCTION OF THE SAID END PORTIOSN OF THE LATTER ADAPTED REMOVABLY TO ENGAGE AND BE SUPPORTED ON SAID STANDARD OF A MICROSCOPE WITH SAID PROXIMAL PORTION OF SAID HOUSIGN OVERHANGING SAID STANDARD.
Claim 2
Dependent Claim
219 words
A MICROPROJECTOR COMPRISING, A LIGHT EXCLUDING ELBOW-SHAPED HOLLOW HOUSING HAVING A PROXIMAL END PORTION TERMINATING AT AN OPEN VIEWING MOUTH AND A DISTAL END PORTION ANGULARLY RELATED TO SAID PROXIMAL END PORTION IN OPEN COMMUNICATION WITH THE LATTER AT AN ANGULAR JUNCTION OF SAID END PORTIONS, A LENS AT SAID DISTAL END PORTION IN THE PATH OF LIGHT RAYS EMANATING FROM A SPECIMEN OUTSIDE SAID DISTAL END PORTION OF SAID HOUSING AND OPERATIVE TO PROJECT SAID RAYS DIRECTLY TO SAID ANGULAR JUNCTION, A MIRROR POSITIONED AT SAID JUNCTION INCLINED AT AN ANGLE DIRECTLY TO RECEIVE AND REFLECT SAID RAYS TOWARD SAID VIEWING MOUTH, AND A RAY ARRESTING SCREEN SPANNING SAID VEIWING MOUTH AT SUCH DISTANCE FROM SAID MIRROR THAT SAID REFLECTED RAYS DIVERGE AFTER LEAVING SAID MIRROR AND ARE FOCUSED ON SAID SCREEN TO FORM THEREON AN IMAGE OF THE SPECIMEN THAT IS LARGER THAN WOULD BE FOCUSE ON A SCREEN AT THE LOCUS OF SAID MIRROR AND VISIBLE FROM THE EXTERIOR OF SAID HOUSIGN, THE STANDARD OF A MICRO SCOPE, AND MOUNTING MEANS ON THE EXTERNAL SURFACE OF SAID HOUSING IN THE CROTCH OF SAID ANGULAR JUNCTION OF THE SAID END PORTIOSN OF THE LATTER ADAPTED REMOVABLY TO ENGAGE AND BE SUPPORTED ON SAID STANDARD OF A MICROSCOPE WITH SAID PROXIMAL PORTION OF SAID HOUSIGN OVERHANGING SAID STANDARD.
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |