US3457523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Europium-tri-dibenzoylmethane laser
Assignee: US Philips Corp
•
Filing: 1966-08-25
•
Granted: 1969-07-22
•
Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Gustaaf Adolf Wesselink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:12
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/14; H01S3/20; H01S3/207; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3118; Y10T137/6416; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86043
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2366464A
Cited
US2747598A
Cited
US2837516A
Cited
US2896862A
Cited
US3146796A
Cited
US3131721A
Cited
US3349339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |