Patent US2549009A successfully refreshed from Google Patents.
US2549009A
Expired / Lapsed
US
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Code disk assembly and ball bearing therefor
Assignee: RCA Corp
•
Filing: 1946-08-13
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Granted: 1951-04-17
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Expires: 1966-08-13
Abstract
No abstract record available.
Inventors
- 👤 Reinhold Leonhard Florens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:08
CPC Classifications
H; H04; H04L; H04L17/00; H04L17/16; H04L17/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US740682A
Cited
US1821124A
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US2340804A
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US2326298A
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US2375829A
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US2406044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |