US2630484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing
Assignee: Individual
•
Filing: 1947-11-26
•
Granted: 1953-03-03
•
Expires: 1967-11-26
Abstract
No abstract record available.
Inventors
- 👤 Groak Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:36
CPC Classifications
H; H04; H04N; H04N11/00; G; G03; G03B; G03B27/00; G03B27/02; G03B27/14; G03B27/30; G03B27/306; G03G; G03G15/00; G03G15/01; G03G15/0105; G03G15/011; G03G17/00; H01; H01J; H01J29/00; H01J29/86; H01J29/865; H01J29/866; H01J31/00; H01J31/08; H04N1/00; H04N1/23; H04N5/00; H04N5/76; Y; Y10; Y10S; Y10S430/00; Y10S430/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |