Patent US3423796A successfully refreshed from Google Patents.
US3423796A
Expired / Lapsed
US
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Defibrator
Assignee: Mo och Domsjo AB
•
Filing: 1967-07-10
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Granted: 1969-01-28
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Expires: 1987-07-10
Abstract
No abstract record available.
Inventors
- 👤 Leif R Nordstrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:02
CPC Classifications
D; D01; D01G; D01G99/00; D21; D21B; D21B1/00; D21B1/04; D21B1/06; D21B1/066; D21H; D21H11/00; D21H11/14; D21H5/00; D21H5/26; D21H5/2607; D21H5/2614; Y; Y10; Y10T; Y10T225/00; Y10T225/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |