US2664095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic pulsator
Assignee: Alfa Laval Holdings Amsterdam AB
•
Filing: 1950-01-19
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Granted: 1953-12-29
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Expires: 1970-01-19
Abstract
No abstract record available.
Inventors
- 👤 Karl G Magni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:31
CPC Classifications
A; A01; A01J; A01J5/00; A01J5/04; A01J5/10; A01J5/12; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2546; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413; Y10T137/87169; Y10T137/87217; Y10T137/87225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US261640A
Cited
US1657663A
Cited
US1977504A
Cited
US2313822A
Cited
US2379483A
Cited
US2464917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |