Patent US2219120A successfully refreshed from Google Patents.
US2219120A
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US
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Assignee: Farnsworth Television and Radio Corp
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Filing: 1935-03-27
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Granted: 1940-10-22
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Expires: 1955-03-27
Abstract
No abstract record available.
Inventors
- 👤 Frank J Somers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00095; H04N1/00103; H04N1/00567; H04N1/0057; H04N1/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-10-22 | 1944-04-22 | 1944-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-22 | 1948-04-22 | 1948-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-22 | 1952-04-22 | 1952-10-22 | $7700.00 | Window Closed / Lapsed |