US2549022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrating counter circuit
Assignee: RCA Corp
•
Filing: 1945-10-27
•
Granted: 1951-04-17
•
Expires: 1965-10-27
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Shenk
- 👤 Arthur E Canfora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:24
CPC Classifications
H; H03; H03K; H03K25/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1927676A
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US2110015A
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US2114016A
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US2113011A
Cited
US2403615A
Cited
US2465351A
Cited
US2415567A
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 |