US2831627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial flow compressor apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1954-01-15
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Granted: 1958-04-22
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Expires: 1974-01-15
Abstract
No abstract record available.
Inventors
- 👤 Mathias J Brunner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:21
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0207; F04D27/0215; F04D25/00; F04D25/02; F04D27/0269
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE347397C
Cited
GB309449A
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GB341378A
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FR749597A
Cited
US2015502A
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US2476643A
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GB611447A
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US2653446A
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US2672726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |