Patent US3130481A successfully refreshed from Google Patents.
US3130481A
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US
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Method of manufacturing a blade wheel
Assignee: Individual
•
Filing: 1960-03-11
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Granted: 1964-04-28
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Expires: 1980-03-11
Abstract
No abstract record available.
Inventors
- 👤 Ahlen Karl Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:52
CPC Classifications
B; B22; B22D; B22D19/00; B23; B23C; B23C3/00; B23C3/16; B23C3/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49325; Y10T29/4998; Y10T29/49988; Y10T29/49989
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
METHOD OF MANUFACTURING A BLADE WHEEL BY CASTING A BLANK HAVING THE SHAPE OF A DISK PROVIDED WITH A RING OF INDIVIDUAL AXIAL PROJECTIONS, EACH OF UNIFORM WIDTH ALONG THE AXIAL LENGTH THEREOF BUT OF SLIGHTLY GREATER DIMENSIONS THAN THE FINISHED BLADE, BY MACHINING THE DISK
Claim 2
Dependent Claim
46 words
METHOD OF MANUFACTURING A BLADE WHEEL BY CASTING A BLANK HAVING THE SHAPE OF A DISK PROVIDED WITH A RING OF INDIVIDUAL AXIAL PROJECTIONS, EACH OF UNIFORM WIDTH ALONG THE AXIAL LENGTH THEREOF BUT OF SLIGHTLY GREATER DIMENSIONS THAN THE FINISHED BLADE, BY MACHINING THE DISK
References Cited (Backward Citations)
US2923988A
Cited
US1495222A
Cited
US2173713A
Cited
US2138814A
Cited
US2479039A
Cited
US2633776A
Cited
US2751292A
Cited
DE1019318B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |