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Patent US3434077A successfully refreshed from Google Patents.
US3434077A
Expired / Lapsed
US
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Tem mode faraday rotator
Assignee: GTE Sylvania Inc
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Filing: 1967-02-10
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Granted: 1969-03-18
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Expires: 1987-02-10
Abstract
No abstract record available.
Inventors
- 👤 Walter S Heath
- 👤 Leland R Megargel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:16
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/80; H01; H01P; H01P1/00; H01P1/165; H01P1/175; H03K17/81
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2895114A
Cited
US3058049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |