US2962941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing a centrifugal compressor rotor
Assignee: Avco Manufacturing Corp
•
Filing: 1955-08-03
•
Granted: 1960-12-06
•
Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang J Stein
- 👤 Rudolf R Kassner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:43
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/16; B23C3/18; Y; Y10; Y10T; Y10T29/00; Y10T29/37; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49325; Y10T29/49329; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/302968; Y10T409/303136; Y10T409/303248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2784648A
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US2758515A
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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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |