US2509508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cabinet structure for television receivers
Assignee: Hartford National Bank and Trust Co
•
Filing: 1946-10-19
•
Granted: 1950-05-30
•
Expires: 1966-10-19
Abstract
No abstract record available.
Inventors
- 👤 Kalff Louis Christiaan
- 👤 Morel Cornelis Hendrik
- 👤 Siezen Gerrit Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:44
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/31; H04N9/3141; G; G03; G03B; G03B21/00; G03B21/14; G03B21/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2022903A
Cited
GB436301A
Cited
US2122969A
Cited
GB477814A
Cited
US2224020A
Cited
US2431830A
Cited
US2404943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |