US3378732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic actuator
Assignee: Penn Controls Inc
•
Filing: 1965-04-15
•
Granted: 1968-04-16
•
Expires: 1985-04-15
Abstract
No abstract record available.
Inventors
- 👤 Gerald E Dietz
- 👤 Russell B Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:36
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735047A
Cited
US2410320A
Cited
US2856569A
Cited
US3030523A
Cited
US3151281A
Cited
US3215902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |