Patent US2765529A successfully refreshed from Google Patents.
US2765529A
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Methods of forming splines in bores of machine elements
Assignee: Borg Warner Corp
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Filing: 1953-05-11
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Granted: 1956-10-09
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Expires: 1973-05-11
Abstract
No abstract record available.
Inventors
- 👤 Augustus B Bolender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:41
CPC Classifications
B; B24; B24B; B24B33/00; B24B33/05; B24B19/00; B24B19/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49465; Y10T29/49995; Y10T29/49996; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1586990A
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US1684872A
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US1683868A
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US2038554A
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US2049127A
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US1988025A
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US2077100A
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US2169841A
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US2380317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |