US3068450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alarm switching circuit
Assignee: Beckman Coulter Inc
•
Filing: 1958-10-13
•
Granted: 1962-12-11
•
Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 Taylor C Fletcher
- 👤 Brown J Herbert
- 👤 Leslie W Chapin
- 👤 Howard G Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:15
CPC Classifications
G; G08; G08B; G08B26/00; G08B26/008; G06; G06F; G06F3/00; G06F3/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2712898A
Cited
US2923476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |