US2645245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipette control means
Assignee: Individual
•
Filing: 1951-08-29
•
Granted: 1953-07-14
•
Expires: 1971-08-29
Abstract
No abstract record available.
Inventors
- 👤 Maisch Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:22
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/0203; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86171; Y10T137/86389; Y10T137/86405; Y10T137/877; Y10T137/87708; Y10T137/87716; Y10T137/87772
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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |