Patent US3380929A successfully refreshed from Google Patents.
US3380929A
Expired / Lapsed
US
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Standard gas solution
Assignee: Beckman Coulter Inc
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Filing: 1965-04-27
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Granted: 1968-04-30
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Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 Arne J Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:27
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/4163; G01N27/4165; G01N33/00; G01N33/0004; G01N33/0006; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/4925; Y; Y10; Y10T; Y10T436/00; Y10T436/10; Y10T436/102499
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3151052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |