Patent US3201137A successfully refreshed from Google Patents.
US3349680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater scanning device
Assignee: Individual
•
Filing: 1966-06-28
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Granted: 1967-10-31
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Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Johann F Hellenkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:55
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/18; H04N7/183; H04N7/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
AN UNDERWATER SCANNING DEVICE COMPRISING: A HOUSING INCLUDING, A TRANSPARENT PORTION FOR VIEWING AN OBJECT THERETHROUGH AND A TRANSPARENT SEPTUM MEANS CONNECTED IN THE BODY IN FLUID-TIGHT RELATION DIVIDING THE BODY INTERIOR INTO A FLUID-TIGHT MIRROR CHAMBER INCLUDING SAID TRANSPARENT PORTION AND A CAMERA CHAMBER, SAID SEPTUM DEFINING A HORIZON PLANE BETWEEN SAID MIRROR AND CAMERA CHAMBERS; A CAMERA IN THE CAMERA CHAMBER INCLUDING, A LENS SYSTEM, MEANS MOUNTING THE CAMERA WITH THE LENS SYSTEM DIRECTED TOWARD THE MIRROR CHAMBER AND HAVING A LENS VIEW LINE EXTENDING THROUGH THE SEPTUM INTO THE MIRROR CHAMBER; A MIRRO ASSEMBLY IN THE MIRROR CHAMBER INCLUDING A REFLECTOR MEANS DIRECTED TOWARD SAID HOUSING PORTION AND MEANS SUPPORTING THE REFLECTOR MEANS SUCH THAT THE REFLECTOR MEANS IS AT ALL TIMES VISIBLE ALONG THE LENS VIEW LINE SO THAT THE CAMERA LENS VIEWS AN IMAGE REFLECTED FROM THE REFLECTOR MEANS THROUGH THE TRANSPARENT SEPTUM AT AN ANGLE OF REFLECTION, SUCH THAT THE IMAGE SEEN IS OUTSIDE OF THE BODY; SAID MIRROR CHAMBER BEING FILLED WITH A LIQUID OF SUBSTANTIALLY THE SAME DENSITY AS THAT OF THE LIQUID IN WHICH PHOTOGRAPHS ARE TO BE TAKEN AND SUBMERGING THE REFLECTOR TO MINIMIZE DISTORTION.
Claim 2
Dependent Claim
195 words
AN UNDERWATER SCANNING DEVICE COMPRISING: A HOUSING INCLUDING, A TRANSPARENT PORTION FOR VIEWING AN OBJECT THERETHROUGH AND A TRANSPARENT SEPTUM MEANS CONNECTED IN THE BODY IN FLUID-TIGHT RELATION DIVIDING THE BODY INTERIOR INTO A FLUID-TIGHT MIRROR CHAMBER INCLUDING SAID TRANSPARENT PORTION AND A CAMERA CHAMBER, SAID SEPTUM DEFINING A HORIZON PLANE BETWEEN SAID MIRROR AND CAMERA CHAMBERS; A CAMERA IN THE CAMERA CHAMBER INCLUDING, A LENS SYSTEM, MEANS MOUNTING THE CAMERA WITH THE LENS SYSTEM DIRECTED TOWARD THE MIRROR CHAMBER AND HAVING A LENS VIEW LINE EXTENDING THROUGH THE SEPTUM INTO THE MIRROR CHAMBER; A MIRRO ASSEMBLY IN THE MIRROR CHAMBER INCLUDING A REFLECTOR MEANS DIRECTED TOWARD SAID HOUSING PORTION AND MEANS SUPPORTING THE REFLECTOR MEANS SUCH THAT THE REFLECTOR MEANS IS AT ALL TIMES VISIBLE ALONG THE LENS VIEW LINE SO THAT THE CAMERA LENS VIEWS AN IMAGE REFLECTED FROM THE REFLECTOR MEANS THROUGH THE TRANSPARENT SEPTUM AT AN ANGLE OF REFLECTION, SUCH THAT THE IMAGE SEEN IS OUTSIDE OF THE BODY; SAID MIRROR CHAMBER BEING FILLED WITH A LIQUID OF SUBSTANTIALLY THE SAME DENSITY AS THAT OF THE LIQUID IN WHICH PHOTOGRAPHS ARE TO BE TAKEN AND SUBMERGING THE REFLECTOR TO MINIMIZE DISTORTION.
References Cited (Backward Citations)
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US2677996A
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |