Patent US2292975A successfully refreshed from Google Patents.
US3230858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic apparatus
Assignee: Consolidated Electrodynamics Corp
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Filing: 1963-01-02
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Granted: 1966-01-25
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Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Richard P Brown
- 👤 Schaller Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:07
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/14; G03; G03D; G03D13/00; G03D13/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A STRUCTURE FOR USE IN APPLYING HEAT TO AN EXPOSED, HEAT-DEVELOPABLE PHOTOSENSITIVE PAPER COMPRISING A PARTIALLY DEVELOPED CYLINDRICAL PLATEN FIXED IN POSITION AND ADAPTED TO HAVE THE PHOTOSENSITIVE PAPER DRAWN OVER IT, MEANS FOR DISPOSING THE PLATEN IN THE PATH OF PAPER TRAVEL SUBSEQUENT TO RECORDING EXPOSURE, AND MEANS FOR HEATING THE PLATEN TO CAUSE THE RELEASE OF MOISTURE FROM THE PAPER TO THEREBY INDUCE DEVELOPMENT, THE IMPROVEMENT COMPRISING A PLATEN TO CAUSE THE RELEASE OF MOISTURE FROM THE WITH THE PLATEN AND HAVING AN ARRAY OF BOTTOMED SMALL HOLES LOCATED IN A MESH-LIKE PATTERN ON THE SURFACE THEREOF, THE HOLES IN CONJUNCTION WITH THE PAPER DEFINING A PLURALITY OF SEPARATE, CLOSED CELLS TO TRAP AND HOLD MOISTURE RELEASED FROM THE PAPER IN SUBSTANTIALLY UNIFORM CONTACT WITH THE OVERLYING SURFACE OF THE PAPER.
Claim 2
Dependent Claim
134 words
IN A STRUCTURE FOR USE IN APPLYING HEAT TO AN EXPOSED, HEAT-DEVELOPABLE PHOTOSENSITIVE PAPER COMPRISING A PARTIALLY DEVELOPED CYLINDRICAL PLATEN FIXED IN POSITION AND ADAPTED TO HAVE THE PHOTOSENSITIVE PAPER DRAWN OVER IT, MEANS FOR DISPOSING THE PLATEN IN THE PATH OF PAPER TRAVEL SUBSEQUENT TO RECORDING EXPOSURE, AND MEANS FOR HEATING THE PLATEN TO CAUSE THE RELEASE OF MOISTURE FROM THE PAPER TO THEREBY INDUCE DEVELOPMENT, THE IMPROVEMENT COMPRISING A PLATEN TO CAUSE THE RELEASE OF MOISTURE FROM THE WITH THE PLATEN AND HAVING AN ARRAY OF BOTTOMED SMALL HOLES LOCATED IN A MESH-LIKE PATTERN ON THE SURFACE THEREOF, THE HOLES IN CONJUNCTION WITH THE PAPER DEFINING A PLURALITY OF SEPARATE, CLOSED CELLS TO TRAP AND HOLD MOISTURE RELEASED FROM THE PAPER IN SUBSTANTIALLY UNIFORM CONTACT WITH THE OVERLYING SURFACE OF THE PAPER.
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |