Patent US2560336A successfully refreshed from Google Patents.
US2560336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shield for television tubes
Assignee: Individual
•
Filing: 1950-03-09
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Granted: 1951-07-10
•
Expires: 1970-03-09
Abstract
No abstract record available.
Inventors
- 👤 Richard A Fisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:29
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/64; H04N5/645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1898064A
Cited
US1965151A
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GB520412A
Cited
US2293529A
Cited
US2388203A
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US2428928A
Cited
US2440260A
Cited
GB600096A
Cited
US2458368A
Cited
US2484345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |