Patent US2195792A successfully refreshed from Google Patents.
US2195792A
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US
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Machine for actuating fluid
Assignee: Individual
•
Filing: 1937-11-22
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Granted: 1940-04-02
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Expires: 1957-11-22
Abstract
No abstract record available.
Inventors
- 👤 Straatveit Nils Nilsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:23
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/0009; F04B43/0027; F04B43/02; F04B43/025
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) | 1943-04-02 | 1943-10-02 | 1944-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-02 | 1947-10-02 | 1948-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-02 | 1951-10-02 | 1952-04-02 | $7700.00 | Window Closed / Lapsed |