US3040899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge
Assignee: MEXY ETS
•
Filing: 1957-09-13
•
Granted: 1962-06-26
•
Expires: 1977-09-13
Abstract
No abstract record available.
Inventors
- 👤 Kron Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:29
CPC Classifications
D; D06; D06F; D06F49/00; D06F49/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US830230A
Cited
US970022A
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US1175606A
Cited
US1815934A
Cited
US1870120A
Cited
FR786353A
Cited
US2304476A
Cited
US2366236A
Cited
US2396105A
Cited
US2358779A
Cited
US2500467A
Cited
US2802356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |