US2641316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recurrent process controller
Assignee: Joseph E Seagram and Sons Inc
•
Filing: 1950-02-27
•
Granted: 1953-06-09
•
Expires: 1970-02-27
Abstract
No abstract record available.
Inventors
- 👤 Eugene H C Brown
- 👤 Lefkowitz Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:30
CPC Classifications
G; G05; G05B; G05B21/00; G05B21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2050614A
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US2276382A
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US2218390A
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US2414467A
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US2408221A
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US2467181A
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US2449953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |