US2951501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating device for a flow medium
Assignee: Alfa Laval Holdings Amsterdam AB
•
Filing: 1955-09-08
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Granted: 1960-09-06
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Expires: 1975-09-08
Abstract
No abstract record available.
Inventors
- 👤 Thylefors Henric Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:34
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7788
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US396257A
Cited
US751096A
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US1131480A
Cited
US2272684A
Cited
US2608209A
Cited
US2731033A
Cited
FR1082774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |