US3154370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed, high density optical recording system
Assignee: Winston Research Corp
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Filing: 1962-10-26
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Granted: 1964-10-27
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Expires: 1982-10-26
Abstract
No abstract record available.
Inventors
- 👤 Wayne R Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:40
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/002; G11B7/003; G11B15/00; G11B15/18; G11B15/46; G11B15/52; G11B15/60; G11B15/602
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
IN COMBINATION: A LASER LIGHT SOURCE FOR PRODUCING LIGHT IN THE FORM OF A HIGH INTENSITY LIGHT BEAM; MEANS FOR DRAWING A LIGHT-SENSITIVE FILAMENT-TYPE RECORDING MEDIUM ALONG A PARTICULAR RECTILINEAR PATH; ROTATABLE REFLECTING MEANS MOUNTED FOR ROTATION ABOUT AN AXIS COAXIAL WITH SAID PATH FOR DIRECTING SAID LIGHT BEAM ALONG A SPIRAL
Claim 2
Dependent Claim
52 words
IN COMBINATION: A LASER LIGHT SOURCE FOR PRODUCING LIGHT IN THE FORM OF A HIGH INTENSITY LIGHT BEAM; MEANS FOR DRAWING A LIGHT-SENSITIVE FILAMENT-TYPE RECORDING MEDIUM ALONG A PARTICULAR RECTILINEAR PATH; ROTATABLE REFLECTING MEANS MOUNTED FOR ROTATION ABOUT AN AXIS COAXIAL WITH SAID PATH FOR DIRECTING SAID LIGHT BEAM ALONG A SPIRAL
References Cited (Backward Citations)
US2898176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |