US2619531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pickup tube for television and the like
Assignee: Pye Electronic Products Ltd
•
Filing: 1949-09-14
•
Granted: 1952-11-25
•
Expires: 1969-09-14
Abstract
No abstract record available.
Inventors
- 👤 Weighton Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:04
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/28; H01J31/30; H01J31/32; H01J31/265; H04; H04N; H04N3/00; H04N3/36; H04N3/40; H04N3/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2172727A
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US2172726A
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US2248985A
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US2234806A
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US2266920A
Cited
US2306272A
Cited
US2213178A
Cited
US2256461A
Cited
US2293899A
Cited
US2543066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |