Patent US2345284A successfully refreshed from Google Patents.
US2345284A
Expired / Lapsed
US
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Pipette washing apparatus
Assignee: Individual
•
Filing: 1942-04-02
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Granted: 1944-03-28
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Expires: 1962-04-02
Abstract
No abstract record available.
Inventors
- 👤 Elmer E Myers
- 👤 Earl E Beohm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:29
CPC Classifications
B; B01; B01L; B01L13/00; B01L13/02; B01L3/00; B01L3/02; B01L3/021; B01L3/0213; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/8593; Y10T137/85946
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) | 1947-03-28 | 1947-09-27 | 1948-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-28 | 1951-09-27 | 1952-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-28 | 1955-09-27 | 1956-03-28 | $7700.00 | Window Closed / Lapsed |