Patent US5877488A successfully refreshed from Google Patents.
Patent US4145436A successfully refreshed from Google Patents.
Patent US3376534A successfully refreshed from Google Patents.
US3376534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable inductance
Assignee: JAMES J AGUIRRE
•
Filing: 1966-05-05
•
Granted: 1968-04-02
•
Expires: 1986-05-05
Abstract
No abstract record available.
Inventors
- 👤 James J Aguirre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:05
CPC Classifications
H; H01; H01F; H01F17/00; H01F17/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18752
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2540863A
Cited
US2509193A
Cited
US2869088A
Cited
US3155895A
Cited
US3105213A
Cited
US3177730A
Cited
US3259862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |