US2709036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic fluid compressor
Assignee: Power Jets Research and Development Ltd
•
Filing: 1949-06-24
•
Granted: 1955-05-24
•
Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 John M Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:42
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0276; F04D29/00; F04D29/58; F04D29/582; F04D29/5826; F04D29/5833
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1719024A
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US1580435A
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DE347853C
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US1838259A
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US2078956A
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US2225310A
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US2396484A
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FR929508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |