Patent US6783481B2 successfully refreshed from Google Patents.
US3537580A
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US
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Methods of and apparatus for storing and testing paramagnetic articles
Assignee: AT&T Inc
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Filing: 1968-11-30
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Granted: 1970-11-03
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Expires: 1988-11-30
Abstract
No abstract record available.
Inventors
- 👤 John E Beroset
- 👤 Donald M Large
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:06
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/344; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1407; B65G54/00; B65G54/02; Y; Y10; Y10S; Y10S209/00; Y10S209/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |