US3365599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic circuit
Assignee: Wehr Corp
•
Filing: —
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Granted: 1968-01-23
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Expires: 1985-01-23
Abstract
No abstract record available.
Inventors
- 👤 Donald E Brzezinski
- 👤 Raymond L Watts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:23
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/10; B03C1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2398653A
Cited
US2466839A
Cited
US2695709A
Cited
US2596554A
Cited
US3168686A
Cited
US3146191A
Cited
US3168464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |