US2330654A
Expired / Lapsed
US
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Fluid impulse controller
Assignee: Askania Regulator Co
•
Filing: 1940-08-29
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Granted: 1943-09-28
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Expires: 1960-08-29
Abstract
No abstract record available.
Inventors
- 👤 Ziebolz Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:08
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/03; G01; G01F; G01F15/00; G01F15/005; G01F1/00; G01F1/05; G01F1/20; G01F1/206; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2322; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/7722; Y10T137/7758; Y10T137/7759; Y10T137/7781; Y10T137/7784
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-09-27 | 1947-03-29 | 1947-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-27 | 1951-03-29 | 1951-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-27 | 1955-03-29 | 1955-09-28 | $7700.00 | Window Closed / Lapsed |