US2799253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic fluid actuated power systems
Assignee: Svenska Rotor Maskiner AB
•
Filing: 1952-05-21
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Granted: 1957-07-16
•
Expires: 1972-05-21
Abstract
No abstract record available.
Inventors
- 👤 Lindhagen Teodor Immanuel
- 👤 Nilsson Hans Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:48
CPC Classifications
F; F01; F01B; F01B17/00; F01B17/02; F01C; F01C1/00; F01C1/08; F01C1/12; F01C1/14; F01C1/16; F01C11/00; F01C11/002; F01C11/004; F01C21/00; F01C21/06; F01D; F01D5/00; F01D5/02; F01D5/08; F02; F02C; F02C3/00; F02C3/04; F02C3/055; F02C7/00; F02C7/08; F02B; F02B53/00; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US868100A
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US1344331A
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GB464475A
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US2136117A
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DE696640C
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US2325617A
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US2484849A
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US2414828A
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US2618120A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |