US2421274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television studio construction
Assignee: Individual
•
Filing: 1944-12-13
•
Granted: 1947-05-27
•
Expires: 1964-12-13
Abstract
No abstract record available.
Inventors
- 👤 Levey Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/222; E; E04; E04H; E04H3/00; E04H3/10; E04H3/22; G; G03; G03B; G03B15/00; G03B15/02; G03B15/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US222143A
Cited
US325927A
Cited
US415721A
Cited
US537441A
Cited
DE372989C
Cited
US1147823A
Cited
FR627419A
Cited
US2290242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-26 | 1950-11-25 | 1951-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-26 | 1954-11-25 | 1955-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-26 | 1958-11-25 | 1959-05-27 | $7700.00 | Window Closed / Lapsed |