Patent US4007706A successfully refreshed from Google Patents.
Patent US2995970A successfully refreshed from Google Patents.
US2995970A
Expired / Lapsed
US
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Method of forming fiber optical devices
Assignee: American Optical Corp
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Filing: 1960-03-01
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Granted: 1961-08-15
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Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Jr John W Hicks
- 👤 Jr Wilfred P Bazinet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:06
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/04; G02B6/06; C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/025; C03B37/028
Claims Analysis
Total Claims: 0
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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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |