US3521119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rf excitation pumping of gas lasers by means of a wave guide and coupling coils
Assignee: RCA Corp
•
Filing: 1968-01-10
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Granted: 1970-07-21
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Expires: 1988-01-10
Abstract
No abstract record available.
Inventors
- 👤 Samir A Ahmed
- 👤 Thomas J Faith Jr
- 👤 Graham W Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:49
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/097; H01S3/0975
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3085189A
Cited
US3323010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-20 | 1974-01-19 | 1974-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-20 | 1978-01-19 | 1978-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-20 | 1982-01-19 | 1982-07-21 | $7700.00 | Window Closed / Lapsed |