US3458705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation responsive flow control apparatus
Assignee: Beckman Coulter Inc
•
Filing: 1966-10-27
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Granted: 1969-07-29
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Expires: 1986-10-27
Abstract
No abstract record available.
Inventors
- 👤 Marshall D Elmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:23
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/48; G01F23/00; G01F23/22; G01F23/28; G01F23/284; G01F23/292; G01F23/2921; G01F23/2922; G01F23/2925; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; G05D7/0629; G05D7/0676; Y; Y10; Y10S; Y10S250/00; Y10S250/90; Y10S250/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1955315A
Cited
US1910202A
Cited
US2197205A
Cited
US2408851A
Cited
US2588672A
Cited
US2701854A
Cited
GB703430A
Cited
US2817237A
Cited
US2944488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |