US2689398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making magnetizable compacts
Assignee: GE Healthcare UK Ltd
•
Filing: 1948-03-24
•
Granted: 1954-09-21
•
Expires: 1968-03-24
Abstract
No abstract record available.
Inventors
- 👤 Gaut Geoffrey Charles
- 👤 Moore Norman Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:44
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/04; H01F1/06; H01F1/08; Y; Y10; Y10S; Y10S264/00; Y10S264/58; Y10S29/00; Y10S29/031
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1850181A
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US2297505A
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US2354331A
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US2418467A
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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) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |