Patent US3512104A successfully refreshed from Google Patents.
US3512104A
Expired / Lapsed
US
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Optical maser assembly
Assignee: Westinghouse Electric Corp
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Filing: 1965-03-29
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Granted: 1970-05-12
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Coleman J Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:47
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/23; H01S3/2383; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/05; H01S3/06; H01S3/0602; H01S3/061
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) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |