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US3067940A
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Method of and apparatus for taking roots
Assignee: Beckman Coulter Inc
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Filing: 1958-08-11
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Granted: 1962-12-11
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Expires: 1978-08-11
Abstract
No abstract record available.
Inventors
- 👤 Howard G Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
G; G06; G06J; G06J1/00; H; H03; H03M; H03M1/00; H03M1/12; H03M1/18; H03M1/66; H03M1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1515995A
Cited
US2839744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |