US2829276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for producing alternating magnetic fields
Assignee: Individual
•
Filing: 1954-05-05
•
Granted: 1958-04-01
•
Expires: 1974-05-05
Abstract
No abstract record available.
Inventors
- 👤 Jarret Jacques Henri
- 👤 Jarret Jean Marie Baptiste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:35
CPC Classifications
H; H02; H02K; H02K35/00; H02K35/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE664597C
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US2292809A
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US632896A
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GB110329A
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US1544010A
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GB237253A
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FR604234A
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US1906065A
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US2342628A
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US2362151A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |