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US2909010A
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Process of and apparatus for forming manifold symmetrical non-circular profiles on workpieces
Assignee: Georg Fischer AG
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Filing: 1956-03-20
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Granted: 1959-10-20
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Expires: 1976-03-20
Abstract
No abstract record available.
Inventors
- 👤 Zelewsky Ottomar Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:25
CPC Classifications
B; B23; B23Q; B23Q27/00; B23Q27/006; B24; B24B; B24B19/00; B24B19/08; Y; Y10; Y10S; Y10S451/00; Y10S451/913; Y10S451/919; Y10T; Y10T82/00; Y10T82/13; Y10T82/135
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1698538A
Cited
DE688031C
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US2263788A
Cited
AT162654B
Cited
AT162651B
Cited
GB645829A
Cited
US2597167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |