Patent US3396773A successfully refreshed from Google Patents.
US3396773A
Expired / Lapsed
US
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Centrifugally cast wheel
Assignee: Sterling Alderfer Co
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Filing: 1965-10-23
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Granted: 1968-08-13
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Sterling W Alderfer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:29
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/04; B29D; B29D30/00; B29D30/02; B29D30/06; B29D30/0679; B60; B60B; B60B5/00; B60B5/02; B29C33/00; B29C33/34; B29C33/36; B29C41/00; B29C41/02; B29C41/04; B29C41/042; B29L; B29L2031/00; B29L2031/32; B29L2031/324; B29L2031/326; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10279; Y10T152/10378; Y10T152/10387; Y10T152/10396; Y10T152/10405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |