Patent US3302028A successfully refreshed from Google Patents.
US3302028A
Expired / Lapsed
US
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High efficiency light modulation system
Assignee: RCA Corp
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Filing: 1963-06-10
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Granted: 1967-01-31
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Sterzer Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:26
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A LIGHT BEAM SYSTEM FOR USE WITH A POLARIZATION MODULATED BEAM COMPRISING MEANS FOR SEPARATING THE BEAM INTO TWO COMPONENTS HAVING DIFFERENT POLARIZATIONS, MEANS FOR INVERTING THE MODULATION OF ONE OF SAID COMPONENTS, AND MEANS FOR ADDING SAID COMPONENTS AFTER SAID ONE OF SAID COMPONENTS HAS BEEN INVERTED.
Claim 2
Dependent Claim
48 words
A LIGHT BEAM SYSTEM FOR USE WITH A POLARIZATION MODULATED BEAM COMPRISING MEANS FOR SEPARATING THE BEAM INTO TWO COMPONENTS HAVING DIFFERENT POLARIZATIONS, MEANS FOR INVERTING THE MODULATION OF ONE OF SAID COMPONENTS, AND MEANS FOR ADDING SAID COMPONENTS AFTER SAID ONE OF SAID COMPONENTS HAS BEEN INVERTED.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |