US3549994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic method and apparatus for obtaining different dilutions from blood or the like samples and processing the same by fluid handling and electronics to obtain certain nonelectric parameters
Assignee: Coulter Electronics Inc
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Filing: 1967-04-17
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Granted: 1970-12-22
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Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 William F Rothermel
- 👤 Robert I Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/10; G01N35/1095; G01N35/1097; B; B01; B01F; B01F33/00; B01F33/40; B01F33/405; B22; B22D; B22D11/00; B22D11/16; B22D11/18; B22D11/181; B22D11/186; B22D39/00; B22D39/003; F; F15; F15C; F15C1/00; F15C1/02; F15C1/04; F15C1/20; G01N1/00; G01N1/28; G01N1/38; G01N15/00; G01N15/10; G01N15/1031; G01N15/12; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; G05D7/0629; G05D7/0635; H; H05; H05B; H05B6/00; H05B6/02; H05B6/34; G01N15/134; G01N2015/1019; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/206; Y10T137/2076; Y10T137/212; Y10T137/2125; Y10T137/2142; Y10T137/2164; Y10T137/2169; Y10T137/2174; Y10T137/4456; Y10T137/4643
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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |