Patent US2212199A successfully refreshed from Google Patents.
US2212199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television and the like transmitting system
Assignee: EMI Ltd
•
Filing: 1935-11-19
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Granted: 1940-08-20
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Expires: 1955-11-19
Abstract
No abstract record available.
Inventors
- 👤 Browne Cecil Oswald
- 👤 Hardwick John
- 👤 Blythen Frank
- 👤 White Eric Lawrence Casling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:07
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/06; H04N5/067; H04N5/0675; H04N23/00; H04N23/40; H04N5/14; H04N5/16; H04N5/165
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) | 1943-08-20 | 1944-02-19 | 1944-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-20 | 1948-02-19 | 1948-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-20 | 1952-02-19 | 1952-08-20 | $7700.00 | Window Closed / Lapsed |