US2697804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder for articles of magnetic material
Assignee: Individual
•
Filing: 1950-11-15
•
Granted: 1954-12-21
•
Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Russell E Phelon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:05
CPC Classifications
B; B25; B25H; B25H3/00; B25H3/04; H; H01; H01F; H01F7/00; H01F7/02; H01F7/0231; H01F7/0252; Y; Y10; Y10S; Y10S211/00; Y10S211/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1624741A
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GB291329A
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GB444786A
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US2269149A
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US2337248A
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US2337249A
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US2368753A
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US2414653A
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US2457197A
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US2426899A
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US2492238A
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US2572514A
Cited
US2565624A
Cited
US2565625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |