US2428928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray tube support
Assignee: RCA Corp
•
Filing: 1945-01-31
•
Granted: 1947-10-14
•
Expires: 1965-01-31
Abstract
No abstract record available.
Inventors
- 👤 Cain Elmer Brinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:56
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/64; H04N5/645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2047020A
Cited
GB506418A
Cited
GB459355A
Cited
US2165779A
Cited
GB520412A
Cited
US2293529A
Cited
US2354661A
Cited
US2389995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |