Patent US3440559A successfully refreshed from Google Patents.
US3440559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Krypton-xenon flash tube for pumping a ruby laser
Assignee: Teledyne UK Ltd
•
Filing: 1964-05-08
•
Granted: 1969-04-22
•
Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Ronald Ernest Lake
- 👤 Donald Rees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:08
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/0931; H01J; H01J61/00; H01J61/02; H01J61/12; H01J61/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |