US3087404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic method
Assignee: New York University
•
Filing: 1957-12-20
•
Granted: 1963-04-30
•
Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
- 👤 Hase Leopold
- 👤 Donald F Othmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:15
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/0037; B; B29; B29C; B29C51/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD FOR PRODUCING A PHOTOGRAPHIC IMAGE IN RELIEF ACCURATELY REPRESENTING A THREE-DIMENSIONAL SUBJECT, COMPRISING FORMING TWO THREE-DIMENSIONAL PHOTOGRAPHIC ELEMENTS PRESENTING COMPLEMENTARY RELIEF FACES ACCURATELY REPRESENTING THE RELIEF FEATURES OF THE SUBJECT, ONE OF SAID ELEMENTS PRESENTING A NEGATIVE IMAGE ACCURATELY REPRESENTING THE SUBJECT AND THE OTHER OF SAID ELEMENTS BEING PHOTOSENSITIVE; PLACING SAID ELEMENTS IN REGISTRY WITH SAID COMPLEMENTARY RELIEF FACES DIRECTED TOWARD AND IN CONTACT WITH EACH OTHER; EVACUATING AIR FROM BETWEEN SAID RELIEF FACES AND APPLYING A POSITIVE FLUID PRESSURE TO ONE OF SAID ELEMENTS THEREBY ESTABLISHING UNIFORM AND INTIMATE CONTACT BETWEEN SAID FACES; PHOTOGRAPHICALLY EXPOSING SAID PHOTOSENSITIVE ELEMENT THROUGH SAID NEGATIVE IMAGE TO
Claim 2
Independent Claim
107 words
A METHOD FOR PRODUCING A PHOTOGRAPHIC IMAGE IN RELIEF ACCURATELY REPRESENTING A THREE-DIMENSIONAL SUBJECT, COMPRISING FORMING TWO THREE-DIMENSIONAL PHOTOGRAPHIC ELEMENTS PRESENTING COMPLEMENTARY RELIEF FACES ACCURATELY REPRESENTING THE RELIEF FEATURES OF THE SUBJECT, ONE OF SAID ELEMENTS PRESENTING A NEGATIVE IMAGE ACCURATELY REPRESENTING THE SUBJECT AND THE OTHER OF SAID ELEMENTS BEING PHOTOSENSITIVE; PLACING SAID ELEMENTS IN REGISTRY WITH SAID COMPLEMENTARY RELIEF FACES DIRECTED TOWARD AND IN CONTACT WITH EACH OTHER; EVACUATING AIR FROM BETWEEN SAID RELIEF FACES AND APPLYING A POSITIVE FLUID PRESSURE TO ONE OF SAID ELEMENTS THEREBY ESTABLISHING UNIFORM AND INTIMATE CONTACT BETWEEN SAID FACES; PHOTOGRAPHICALLY EXPOSING SAID PHOTOSENSITIVE ELEMENT THROUGH SAID NEGATIVE IMAGE TO
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |