US3061677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistive control for electronic circuits
Assignee: Individual
•
Filing: 1960-02-04
•
Granted: 1962-10-30
•
Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Johnston William Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:41
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/06; H01C10/08; H03; H03G; H03G3/00; H03G3/02; H03G3/04; H03G3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19605E
Cited
US1587136A
Cited
US1767715A
Cited
US2321587A
Cited
US2870255A
Cited
US2842623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |