Patent US3694977A successfully refreshed from Google Patents.
US3307464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic apparatus
Assignee: —
•
Filing: —
•
Granted: 1967-03-07
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Expires: 1984-03-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:12
CPC Classifications
G; G03; G03D; G03D9/00; G03D9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN PHOTOGRAPHIC APPARATUS INCLUDING A LIGHT SOURCE FOR PHOTOEXPOSING SUCCESSIVE PORTIONS OF AN IMAGE-RECORDING SHEET DURING MOVEMENT OF SAID SHEET RELATIVE TO SAID SOURCE AND MEANS FOR SUPERPOSING SAID SUCCESSIVE EXPOSED PORTIONS OF SAID IMAGE-RECORDING SHEET WITH A SECOND SHEET DURING MOVEMENT OF SAID IMAGE-RECORDING SHEET, IN COMBINATION: A ROTARY MEMBER ABOUT WHICH SAID IMAGE-RECORDING SHEET AND AT LEAST PORTIONS OF SAID SECOND SHEET ARE WRAPPED AS A COIL; DRIVE MEANS FOR ROTATING SAID MEMBER TO MOVE SAID SHEETS THROUGH SAID APPARATUS RELATIVE TO SAID LIGHT SOURCE PRIOR TO PASSAGE INTO SAID COIL, SAID DRIVE MEANS ROTATING SAID MEMBER AT A SUBSTANTIALLY CONSTANT SPEED SO THAT THE SPEED OF MOVEMENT OF SAID IMAGE-RECORDING SHEET RELATIVE TO SAID LIGHT SOURCE DURING EXPOSURE IS DIRECTLY PROPORTIONAL TO THE DIAMETER OF SAID COIL; SENSING MEANS FOR DETERMINING THE DIAMETER OF SAID COIL; AND MEANS FOR VARYING THE QUANTITY OF LIGHT TRANSMITTED FROM SAID SOURCE TO SAID IMAGE-RECORDING SHEET IN ACCORDANCE WITH THE DIAMETER OF SAID COIL TO PROVIDE FOR SUBSTANTIALLY UNIFORM EXPOSURE OF SAID SUCCESSIVE PORTIONS OF SAID IMAGE-RECORDING SHEET.
Claim 2
Dependent Claim
177 words
IN PHOTOGRAPHIC APPARATUS INCLUDING A LIGHT SOURCE FOR PHOTOEXPOSING SUCCESSIVE PORTIONS OF AN IMAGE-RECORDING SHEET DURING MOVEMENT OF SAID SHEET RELATIVE TO SAID SOURCE AND MEANS FOR SUPERPOSING SAID SUCCESSIVE EXPOSED PORTIONS OF SAID IMAGE-RECORDING SHEET WITH A SECOND SHEET DURING MOVEMENT OF SAID IMAGE-RECORDING SHEET, IN COMBINATION: A ROTARY MEMBER ABOUT WHICH SAID IMAGE-RECORDING SHEET AND AT LEAST PORTIONS OF SAID SECOND SHEET ARE WRAPPED AS A COIL; DRIVE MEANS FOR ROTATING SAID MEMBER TO MOVE SAID SHEETS THROUGH SAID APPARATUS RELATIVE TO SAID LIGHT SOURCE PRIOR TO PASSAGE INTO SAID COIL, SAID DRIVE MEANS ROTATING SAID MEMBER AT A SUBSTANTIALLY CONSTANT SPEED SO THAT THE SPEED OF MOVEMENT OF SAID IMAGE-RECORDING SHEET RELATIVE TO SAID LIGHT SOURCE DURING EXPOSURE IS DIRECTLY PROPORTIONAL TO THE DIAMETER OF SAID COIL; SENSING MEANS FOR DETERMINING THE DIAMETER OF SAID COIL; AND MEANS FOR VARYING THE QUANTITY OF LIGHT TRANSMITTED FROM SAID SOURCE TO SAID IMAGE-RECORDING SHEET IN ACCORDANCE WITH THE DIAMETER OF SAID COIL TO PROVIDE FOR SUBSTANTIALLY UNIFORM EXPOSURE OF SAID SUCCESSIVE PORTIONS OF SAID IMAGE-RECORDING SHEET.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |