Patent US4712542A successfully refreshed from Google Patents.
Patent US2777354A successfully refreshed from Google Patents.
US2777354A
Expired / Lapsed
US
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Apparatus for recording and reproducing variables
Assignee: Beckman Coulter Inc
•
Filing: 1950-09-15
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Granted: 1957-01-15
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Expires: 1970-09-15
Abstract
No abstract record available.
Inventors
- 👤 Michael E Stickney
- 👤 Madsen Royal Glen
- 👤 Lawrence R Pugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:49
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G05B19/124; G05B2219/00; G05B2219/20; G05B2219/23; G05B2219/23421; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |