Patent US3227032A successfully refreshed from Google Patents.
US3227032A
Expired / Lapsed
US
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Energy conducting fibers formed of sapphire cladded with quartz
Assignee: Warner Lambert Technologies Inc
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Filing: 1961-03-30
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Granted: 1966-01-04
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Expires: 1981-03-30
Abstract
No abstract record available.
Inventors
- 👤 Lee O Upton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:03
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/025; C03B37/027; C03B37/02754; C03B37/029; G; G02; G02B; G02B6/00; G02B6/04; C03B2205/00; C03B2205/08; C03B2205/12; C03B2205/14; C03B2205/16; C03B2205/60; C03B2205/62; C03B2205/64; C03B2205/68; Y; Y10; Y10S; Y10S65/00; Y10S65/04; Y10S65/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
AN ENERGY CONDUCTING FIBER COMPRISING THE FUSED TOGETHER AND DRAWN COMBINATION OF A LONG AND THIN CORE PART OF SYNTHETIC SAPPHIRE OF ONE REFRACTIVE INDEX SURROUNDED BY A RELATIVELY THIN CLADDING OF FUSED QUARTZ OF A LOWER REFRACTIVE INDEX.
Claim 2
Dependent Claim
39 words
AN ENERGY CONDUCTING FIBER COMPRISING THE FUSED TOGETHER AND DRAWN COMBINATION OF A LONG AND THIN CORE PART OF SYNTHETIC SAPPHIRE OF ONE REFRACTIVE INDEX SURROUNDED BY A RELATIVELY THIN CLADDING OF FUSED QUARTZ OF A LOWER REFRACTIVE INDEX.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |