US2868439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic axial-flow compressor for gas turbines
Assignee: Goodyear Aircraft Corp
•
Filing: 1954-05-07
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Granted: 1959-01-13
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Expires: 1974-05-07
Abstract
No abstract record available.
Inventors
- 👤 William J Hampshire
- 👤 Raymond R Lepore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:39
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/32; F04D29/321; F04D29/322; F01; F01D; F01D5/00; F01D5/12; F01D5/28; F01D5/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1035364A
Cited
GB302953A
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US2621140A
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GB586562A
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US2685405A
Cited
US2671634A
Cited
US2640679A
Cited
US2747367A
Cited
US2718349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |