Patent US2928734A successfully refreshed from Google Patents.
US2928734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of photography
Assignee: Individual
•
Filing: 1954-11-15
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Granted: 1960-03-15
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Expires: 1974-11-15
Abstract
No abstract record available.
Inventors
- 👤 Zampol Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:10
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A METHOD OF PHOTOGRAPHY USEFUL FOR TAKING PHOTOGRAPHS ALL PARTS OF WHICH ARE IN PROPER FOCUS WITH A CAMERA WHICH IS SO ADJUSTED THAT ITS DEPTH OF FIELD IS SUBSTANTIALLY LESS THAN THE DIMENSION OF THE OBJECT PHOTOGRAPHED MEASURED AT RIGHT ANGELS TO THE PHOTOGRAPH, SAID METHOD COMPRISING PROVIDING A THIN SHEET OF LIGHT, MAINTAINING A CAMERA IN FIXED RELATION TO SAID SHEET OF LIGHT WITH A LIGHT SENSITIVE FILM IN FIXED RELATION THEREIN AND PARALLEL TO SAID SHEET OF LIGHT AND MAINTAINING SAID CAMERA IN FIXED ADJUSTMENT SUCH THAT SAID CAMERA IS FOCUSED ON SAID SHEET OF LIGHT SO THAT THE IMAGE OF PORTIONS OF SAID OBJECT ILLUMINATED BY SAID SHEET OF LIGHT WILL FALL ON SAID LIGHT SENSITIVE FILM, AND PROGRESSIVELY MOVING SAID OBJECT AT RIGHT ANGELS TO AND THROUGH SAID SHEET OF LIGHT WHILE SO MAINTAINING SAID CAMERA IN SAID FIXED RELATION RELATIVE TO SAID SHEET OF LIGHT AND SO MAINTAINING SAID CAMERA IN SAID FIXED ADJUSTMENT, SAID SHEET OF LIGHT BEING AT LEAST AS THIN AS THE DEPTH OF FIELD OF SAID CAMERA WHEN IN SAID FIXED ADJUSTMENT.
Claim 2
Independent Claim
182 words
A METHOD OF PHOTOGRAPHY USEFUL FOR TAKING PHOTOGRAPHS ALL PARTS OF WHICH ARE IN PROPER FOCUS WITH A CAMERA WHICH IS SO ADJUSTED THAT ITS DEPTH OF FIELD IS SUBSTANTIALLY LESS THAN THE DIMENSION OF THE OBJECT PHOTOGRAPHED MEASURED AT RIGHT ANGELS TO THE PHOTOGRAPH, SAID METHOD COMPRISING PROVIDING A THIN SHEET OF LIGHT, MAINTAINING A CAMERA IN FIXED RELATION TO SAID SHEET OF LIGHT WITH A LIGHT SENSITIVE FILM IN FIXED RELATION THEREIN AND PARALLEL TO SAID SHEET OF LIGHT AND MAINTAINING SAID CAMERA IN FIXED ADJUSTMENT SUCH THAT SAID CAMERA IS FOCUSED ON SAID SHEET OF LIGHT SO THAT THE IMAGE OF PORTIONS OF SAID OBJECT ILLUMINATED BY SAID SHEET OF LIGHT WILL FALL ON SAID LIGHT SENSITIVE FILM, AND PROGRESSIVELY MOVING SAID OBJECT AT RIGHT ANGELS TO AND THROUGH SAID SHEET OF LIGHT WHILE SO MAINTAINING SAID CAMERA IN SAID FIXED RELATION RELATIVE TO SAID SHEET OF LIGHT AND SO MAINTAINING SAID CAMERA IN SAID FIXED ADJUSTMENT, SAID SHEET OF LIGHT BEING AT LEAST AS THIN AS THE DEPTH OF FIELD OF SAID CAMERA WHEN IN SAID FIXED ADJUSTMENT.
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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) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |