US2690764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus of the overflow type for regulating the continuous flow of liquids throughcontainers
Assignee: Alfa Laval Holdings Amsterdam AB
•
Filing: 1951-01-26
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Granted: 1954-10-05
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Expires: 1971-01-26
Abstract
No abstract record available.
Inventors
- 👤 Hoffmann Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:26
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85954; Y10T137/86236
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) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |