US3018418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid
Assignee: Cannon Electric Co
•
Filing: 1958-04-30
•
Granted: 1962-01-23
•
Expires: 1978-04-30
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:08
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/18; H01F7/1805; H01F7/1833
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1142852A
Cited
US2282762A
Cited
US2467063A
Cited
US2571803A
Cited
US2878338A
Cited
US2783340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |