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Patent US2992516A successfully refreshed from Google Patents.
US2992516A
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Method of making fiber optical components
Assignee: American Optical Corp
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Filing: 1957-07-03
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Granted: 1961-07-18
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Expires: 1977-07-03
Abstract
No abstract record available.
Inventors
- 👤 Norton Frederick Harwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:14
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/04; G02B6/06; C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/025; C03B37/028; C03B37/10; C03B37/14; C03B37/15; H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/24; C03B2203/00; C03B2203/02; C03B2203/04; C03B2203/10; C03B2203/14; C03B2203/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1751584A
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US2313296A
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US2294429A
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US2393979A
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US2354591A
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US2532091A
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US2652660A
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US2752731A
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US2825260A
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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) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |