US2553165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relaxation oscillator
Assignee: RCA Corp
•
Filing: 1946-02-28
•
Granted: 1951-05-15
•
Expires: 1966-02-28
Abstract
No abstract record available.
Inventors
- 👤 Warren H Bliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/04; H03K3/05; H03K3/06; H03K3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2070647A
Cited
US2053787A
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US2182555A
Cited
GB485934A
Cited
US2395368A
Cited
US2411598A
Cited
US2406096A
Cited
US2419772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |