Patent US2745773A successfully refreshed from Google Patents.
US2745773A
Expired / Lapsed
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Apparatus and method for forming juxtaposed as well as superimposed coatings
Assignee: RCA Corp
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Filing: 1953-03-25
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Granted: 1956-05-15
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Expires: 1973-03-25
Abstract
No abstract record available.
Inventors
- 👤 Paul K Weimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:47
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE METHOD OF FORMING JUXTAPOSED INTERFERENCE COLOR FILTERS ON A LIGHT PERMEABLE WORKPIECE A SET OF FILTERS OF ONE COLOR INTERLACED WITH A SET OF ANOTHER COLOR AND EACH CAPABLE OF TRANSMITTING A DIFFERENT PREDETERMINED SPECTRAL BANDWIDTH, SAID METHOD INCLUDING THE STEPS OF MASKING ALL BUT THOSE SPACED APART PORTIONS OF THE WORKPIECE ON WHICH THE SET OF FILTERS OF ONE COLOR ARE TO BE FORMED, THEN FORMING ON SAID PORTIONS SUCCESSIVE SUPER-
Claim 2
Independent Claim
73 words
THE METHOD OF FORMING JUXTAPOSED INTERFERENCE COLOR FILTERS ON A LIGHT PERMEABLE WORKPIECE A SET OF FILTERS OF ONE COLOR INTERLACED WITH A SET OF ANOTHER COLOR AND EACH CAPABLE OF TRANSMITTING A DIFFERENT PREDETERMINED SPECTRAL BANDWIDTH, SAID METHOD INCLUDING THE STEPS OF MASKING ALL BUT THOSE SPACED APART PORTIONS OF THE WORKPIECE ON WHICH THE SET OF FILTERS OF ONE COLOR ARE TO BE FORMED, THEN FORMING ON SAID PORTIONS SUCCESSIVE SUPER-
References Cited (Backward Citations)
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US2432950A
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US2418627A
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US2472605A
Cited
US2600579A
Cited
US2545576A
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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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |