US3496484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical maser
Assignee: NORMAN P HUFFNAGLE
•
Filing: 1964-06-29
•
Granted: 1970-02-17
•
Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Norman P Huffnagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:14
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/06; H01S3/0602; H01S3/0615; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/02; H01S3/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3042833A
Cited
US3353115A
Cited
US3229222A
Cited
US3178657A
Cited
US3166673A
Cited
US3164782A
Cited
US3379997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |