US2226545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure liquid operated device
Assignee: Askania Werke AG
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Filing: 1937-09-21
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Granted: 1940-12-31
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Expires: 1957-09-21
Abstract
No abstract record available.
Inventors
- 👤 Blasig Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:23
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0193; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3118; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787
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) | 1943-12-31 | 1944-07-01 | 1944-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-31 | 1948-07-01 | 1948-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-31 | 1952-07-01 | 1952-12-31 | $7700.00 | Window Closed / Lapsed |