US3485609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making fiber optical structures with hydrostatic pressure
Assignee: American Optical Corp
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Filing: 1965-03-31
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Granted: 1969-12-23
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Expires: 1985-03-31
Abstract
No abstract record available.
Inventors
- 👤 William F Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:32
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/89; H01J29/892; C; C03; C03B; C03B37/00; C03B37/10; C03B37/14; C03B37/15; H01J29/02; H01J29/10; H01J29/18; H01J29/24; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |