Patent US3920407A successfully refreshed from Google Patents.
Patent US3394261A successfully refreshed from Google Patents.
US3394261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic intensifier device for producing a visible image from an X-ray image
Assignee: US Philips Corp
•
Filing: 1965-05-25
•
Granted: 1968-07-23
•
Expires: 1985-05-25
Abstract
No abstract record available.
Inventors
- 👤 Manley Brian William
- 👤 Adams John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:30
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/023; H01J31/00; H01J31/08; H01J31/50; H01J31/505; H01J31/506; H01J43/00; H01J43/04; H01J43/06; H01J43/18; H01J43/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3128408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |