US2900126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal compressors
Assignee: Austin Motor Co Ltd
•
Filing: 1954-08-18
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Granted: 1959-08-18
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Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Dangerfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:08
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/441; F04D17/00; F04D17/08; F04D17/10; F04D17/12; F04D17/122; F04D29/444; F05; F05D; F05D2250/00; F05D2250/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US687852A
Cited
US984189A
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US1496633A
Cited
DE450491C
Cited
FR891741A
Cited
US2596646A
Cited
FR983370A
Cited
US2708883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |