US2515273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slidably supported pickup head
Assignee: RCA Corp
•
Filing: 1944-10-31
•
Granted: 1950-07-18
•
Expires: 1964-10-31
Abstract
No abstract record available.
Inventors
- 👤 Snepvangers Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:19
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/10; G11B3/12; G11B3/121; G11B3/124; G11B3/34; G11B3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1291515A
Cited
GB242821A
Cited
GB287954A
Cited
GB317305A
Cited
US1868304A
Cited
DE571301C
Cited
US2219230A
Cited
US2287809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |