Patent US3444322A successfully refreshed from Google Patents.
US3444322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image pickup devices
Assignee: Philips North America LLC
•
Filing: 1965-06-09
•
Granted: 1969-05-13
•
Expires: 1985-06-09
Abstract
No abstract record available.
Inventors
- 👤 Pieter Schagen
- 👤 Alexander Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:52
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/45; H01J29/458; G; G02; G02B; G02B23/00; G02B23/12; H01J29/86; H01J29/89; H01J29/892; H01J31/00; H01J31/08; H01J31/49; H04; H04N; H04N23/00; H04N23/20; H04N23/23
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2563472A
Cited
US2705758A
Cited
US2824235A
Cited
US2879424A
Cited
US3130309A
Cited
US3370172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |