US3047387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic processes, products and devices
Assignee: Polaroid Corp
•
Filing: 1959-06-15
•
Granted: 1962-07-31
•
Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Land
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:42
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
279 words
THE METHOD OF DISTRIBUTING A PHOTOGRAPHIC FLUID IN CONTACT WITH AN AREA OF A SHEET TO PRODUCE A COMPOSITE PHOTOGRAPHIC STRUCTURE COMPRISING A PLURALITY OF SUPERPOSED LAYERS, AT LEAST ONE OF SAID LAYERS INCLUDING SAID FLUID AND AT LEAST ONE OF SAID LAYERS INCLUDING A PHOTOGRAPHIC IMAGE-RECORDING MATERIAL, SAID METHOD COMPRISING POSITIONING A CONTAINER, HAVING AN ELONGATED CAVITY APPROXIMATELY EQUAL IN LENGTH TO THE WIDTH OF SAID AREA, OF SUBSTANTIALLY UNIFORM CROSS SECTION THROUGHOUT ITS LENGTH AND FILLED WITH SAID PHOTOGRAPHIC FLUID, ADJACENT A SURFACE OF SAID SHEET NEAR AN EDGE OF SAID AREA; MOVING SAID CONTAINER IN THE DIRECTION OF ITS LENGTH RELATIVE TO AND ACROSS SAID SHEET ALONG SAID EDGE OF SAID AREA TRANSVERSELY OF THE DIRECTION OF SUBSEQUENT DISTRIBUTION OF SAID FLUID IN CONTACT WITH SAID SHEET; WHILE SO MOVING SAID CONTAINER, ENGAGING SECTIONS OF SAID CONTAINER IN THE REGION OF SAID CAVITY SUCCEEDING FROM THE LEADING END OF SAID CAVITY TO EJECT SUBSTANTIALLY ALL OF SAID FLUID FROM SAID CAVITY AND THEREBY DISPENSE A QUANTITY OF SAID FLUID SUBSTANTIALLY EQUAL TO THE CONTENTS OF SAID CAVITY FROM A MOUTH, LOCATED AT THE TRAILING END OF SAID CONTAINER AND HAVING A CROSSSECTIONAL AREA SUBSTANTIALLY EQUAL TO THE CROSS-SECTIONAL AREA OF SAID CAVITY ONTO SAID SHEET IN THE FORM OF AN ELONGATED MASS APPROXIMATELY EQUAL IN LENGTH OF SAID CAVITY; AND THEREAFTER DISTRIBUTING SAID FLUID FROM SAID ELONGATED MASS IN A DIRECTION TRANSVERSELY OF THE DIRECTION OF SAID MASS BY SUPERPOSING SAID AREA OF SAID SHEET WITH ANOTHER SURFACE AND APPLYING COMPRESSIVE PRESSURE TO SUCCESSIVE SECTIONS OF SAID SHEET COMMENCING IN THE REGION OF SAID ELONGATED MASS AND PROGRESSING IN THE DIRECTION OF DISTRIBUTION OF SAID FLUID.
Claim 2
Independent Claim
279 words
THE METHOD OF DISTRIBUTING A PHOTOGRAPHIC FLUID IN CONTACT WITH AN AREA OF A SHEET TO PRODUCE A COMPOSITE PHOTOGRAPHIC STRUCTURE COMPRISING A PLURALITY OF SUPERPOSED LAYERS, AT LEAST ONE OF SAID LAYERS INCLUDING SAID FLUID AND AT LEAST ONE OF SAID LAYERS INCLUDING A PHOTOGRAPHIC IMAGE-RECORDING MATERIAL, SAID METHOD COMPRISING POSITIONING A CONTAINER, HAVING AN ELONGATED CAVITY APPROXIMATELY EQUAL IN LENGTH TO THE WIDTH OF SAID AREA, OF SUBSTANTIALLY UNIFORM CROSS SECTION THROUGHOUT ITS LENGTH AND FILLED WITH SAID PHOTOGRAPHIC FLUID, ADJACENT A SURFACE OF SAID SHEET NEAR AN EDGE OF SAID AREA; MOVING SAID CONTAINER IN THE DIRECTION OF ITS LENGTH RELATIVE TO AND ACROSS SAID SHEET ALONG SAID EDGE OF SAID AREA TRANSVERSELY OF THE DIRECTION OF SUBSEQUENT DISTRIBUTION OF SAID FLUID IN CONTACT WITH SAID SHEET; WHILE SO MOVING SAID CONTAINER, ENGAGING SECTIONS OF SAID CONTAINER IN THE REGION OF SAID CAVITY SUCCEEDING FROM THE LEADING END OF SAID CAVITY TO EJECT SUBSTANTIALLY ALL OF SAID FLUID FROM SAID CAVITY AND THEREBY DISPENSE A QUANTITY OF SAID FLUID SUBSTANTIALLY EQUAL TO THE CONTENTS OF SAID CAVITY FROM A MOUTH, LOCATED AT THE TRAILING END OF SAID CONTAINER AND HAVING A CROSSSECTIONAL AREA SUBSTANTIALLY EQUAL TO THE CROSS-SECTIONAL AREA OF SAID CAVITY ONTO SAID SHEET IN THE FORM OF AN ELONGATED MASS APPROXIMATELY EQUAL IN LENGTH OF SAID CAVITY; AND THEREAFTER DISTRIBUTING SAID FLUID FROM SAID ELONGATED MASS IN A DIRECTION TRANSVERSELY OF THE DIRECTION OF SAID MASS BY SUPERPOSING SAID AREA OF SAID SHEET WITH ANOTHER SURFACE AND APPLYING COMPRESSIVE PRESSURE TO SUCCESSIVE SECTIONS OF SAID SHEET COMMENCING IN THE REGION OF SAID ELONGATED MASS AND PROGRESSING IN THE DIRECTION OF DISTRIBUTION OF SAID FLUID.
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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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |