US3505239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystal laser material
Assignee: Westinghouse Electric Corp
•
Filing: 1966-07-26
•
Granted: 1970-04-07
•
Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Robert Mazelsky
- 👤 Robert C Ohlmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:14
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/14; H01S3/16; H01S3/1601; H01S3/1603; H01S3/1611; H01S3/1688; H01S3/23; H01S3/2308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3250721A
Cited
US3252103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |