US3094911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic camera
Assignee: Voigtlander AG
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Filing: 1959-12-07
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Granted: 1963-06-25
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Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 Reiche Wilhelm
- 👤 Mische Friedrich
- 👤 Papke Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:22
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A PHOTOGRAPHIC CAMERA COMPRISING, IN COMBINATION, A VIEWFINDER INCLUDING A PRISM HAVING AN INSIGHT SURFACE THROUGH WHICH THE LINE OF SIGHT OF AN OBSERVER IS DIRECTED, AND REFLECTING SURFACES DIRECTING LIGHT RAYS FORMING THE FINDER IMAGE INTO THE EYE OF AN OBSERVER ALONG SUCH LINE OF SIGHT; AN OBJECTIVE MOUNT PROJECTING EXTERNALLY OF THE CAMERA BODY; EXPOSURE CONDITION ADJUSTING COMPONENTS MOVABLY SUPPORTED ON THE PROJECTING PORTION OF SAID MOUNT AND CARRYING INDICIA FOR USE IN SETTING EXPOSURE CONDITIONS; AND FIXEDLY POSITIONED OPTICAL MEANS HAVING A FIRST SURFACE MOUNTED ON AND FORMING AN INTERFACE WITH A NON-REFLECTING SURFACE PORTION OF SAID PRISM, AND A SECOND SURFACE FACING SAID INDICIA; SAID OPTICAL MEANS DIRECTING LIGHT RAYS ENTERING SAID SECOND SURFACE THROUGH SAID INTERFACE, AND IN A STRAIGHT LINE FROM SAID INTERFACE THROUGH SAID INSIGHT SURFACE TO PROVIDE AN IMAGE OF AT LEAST PART OF SAID INDICIA IN THE FIELD OF VIEW OF AN OBSERVER VIEWING SAID FINDER IMAGE.
Claim 2
Dependent Claim
156 words
A PHOTOGRAPHIC CAMERA COMPRISING, IN COMBINATION, A VIEWFINDER INCLUDING A PRISM HAVING AN INSIGHT SURFACE THROUGH WHICH THE LINE OF SIGHT OF AN OBSERVER IS DIRECTED, AND REFLECTING SURFACES DIRECTING LIGHT RAYS FORMING THE FINDER IMAGE INTO THE EYE OF AN OBSERVER ALONG SUCH LINE OF SIGHT; AN OBJECTIVE MOUNT PROJECTING EXTERNALLY OF THE CAMERA BODY; EXPOSURE CONDITION ADJUSTING COMPONENTS MOVABLY SUPPORTED ON THE PROJECTING PORTION OF SAID MOUNT AND CARRYING INDICIA FOR USE IN SETTING EXPOSURE CONDITIONS; AND FIXEDLY POSITIONED OPTICAL MEANS HAVING A FIRST SURFACE MOUNTED ON AND FORMING AN INTERFACE WITH A NON-REFLECTING SURFACE PORTION OF SAID PRISM, AND A SECOND SURFACE FACING SAID INDICIA; SAID OPTICAL MEANS DIRECTING LIGHT RAYS ENTERING SAID SECOND SURFACE THROUGH SAID INTERFACE, AND IN A STRAIGHT LINE FROM SAID INTERFACE THROUGH SAID INSIGHT SURFACE TO PROVIDE AN IMAGE OF AT LEAST PART OF SAID INDICIA IN THE FIELD OF VIEW OF AN OBSERVER VIEWING SAID FINDER IMAGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |