Patent US3281858A successfully refreshed from Google Patents.
US3281858A
Expired / Lapsed
US
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Electrical recording
Assignee: Technical Operations Inc
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Filing: 1962-09-04
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Granted: 1966-10-25
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Schwertz
- 👤 Robert A Wilferth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:52
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/14; G03; G03C; G03C1/00; G03C1/494; G03C1/496; G03C1/4965; G03G; G03G17/00; G03G5/00; G03G5/02; Y; Y10; Y10S; Y10S430/00; Y10S430/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A METHOD OF ELECTRICAL RECORDING COMPRISING GENERATING AN ELECTRON BEAM, MODULATING SAID BEAM IN ACCORDANCE WITH AN INTELLIGENCE PATTERN, IMPINGING SAID BEAM UPON A TARGET OF PHOTOGRAPHIC MATERIAL COMPRISED OF A LAYER OF SILVER HALIDE MICROCRYSTALS ON A SUBSTRATE IN SAID MICROCRYSTALS ARE SUPPORTED UPON SAID SUBSTRATE PRIMARILY BY BEING BOUND DIRECTLY TO THE SUBSTRATE AND TO EACH OTHER, AND MOVING SAID BEAM AND TARGET RELATIVE TO EACH OTHER TO EFFECT A RECORD ON SAID TARGET OF SAID INTELLENGENCE MODULATION.
Claim 2
Independent Claim
80 words
A METHOD OF ELECTRICAL RECORDING COMPRISING GENERATING AN ELECTRON BEAM, MODULATING SAID BEAM IN ACCORDANCE WITH AN INTELLIGENCE PATTERN, IMPINGING SAID BEAM UPON A TARGET OF PHOTOGRAPHIC MATERIAL COMPRISED OF A LAYER OF SILVER HALIDE MICROCRYSTALS ON A SUBSTRATE IN SAID MICROCRYSTALS ARE SUPPORTED UPON SAID SUBSTRATE PRIMARILY BY BEING BOUND DIRECTLY TO THE SUBSTRATE AND TO EACH OTHER, AND MOVING SAID BEAM AND TARGET RELATIVE TO EACH OTHER TO EFFECT A RECORD ON SAID TARGET OF SAID INTELLENGENCE MODULATION.
References Cited (Backward Citations)
US2015570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |