Patent US3413568A successfully refreshed from Google Patents.
US3413568A
Expired / Lapsed
US
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Reversed axial magnetic fields in lasers
Assignee: AT&T Inc
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Filing: 1965-06-22
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Granted: 1968-11-26
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Eugene I Gordon
- 👤 Edward F Labuda
- 👤 Richard C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:53
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/097; H01S3/02; H01S3/03; H01S3/032; H01S3/036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |