US3469206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degenerate laser device having polarization control of light
Assignee: International Business Machines Corp
•
Filing: 1964-04-01
•
Granted: 1969-09-23
•
Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Harris
- 👤 Kurt M Kosanke
- 👤 Werner W Kulcke
- 👤 Erhard Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:17
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/001; G02; G02F; G02F1/00; G02F1/01; G02F1/03; G02F1/0333; G02F1/29; G02F1/31; G11; G11C; G11C13/00; G11C13/04; G11C13/047; G11C13/06; H; H01; H01S; H01S3/00; H01S3/10; H01S3/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE26170E
Cited
US2297443A
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US3144617A
Cited
US3316501A
Cited
US3182574A
Cited
US3292103A
Cited
US3346319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |