US2668662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrator circuit
Assignee: Individual
•
Filing: 1946-01-15
•
Granted: 1954-02-09
•
Expires: 1966-01-15
Abstract
No abstract record available.
Inventors
- 👤 Roth Wilfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:04
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/188; Y; Y10; Y10S; Y10S388/00; Y10S388/90; Y10S388/907; Y10S388/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1772091A
Cited
US2017703A
Cited
US2139474A
Cited
US2228883A
Cited
US2264333A
Cited
US2309560A
Cited
US2512377A
Cited
US2422147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |