US2476124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folded schmidt television projector
Assignee: Hartford National Bank and Trust Co
•
Filing: 1946-01-15
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Granted: 1949-07-12
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Expires: 1966-01-15
Abstract
No abstract record available.
Inventors
- 👤 Pieter Martinus Van Alphen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:41
CPC Classifications
G; G02; G02B; G02B17/00; G02B17/08; G02B17/0884; G02B17/0888; H; H01; H01J; H01J29/00; H01J29/86; H01J29/89; H01J29/894; H04; H04N; H04N5/00; H04N5/74; H04N5/7416; H04N5/7425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |