Patent US1387638A successfully refreshed from Google Patents.
US1387638A
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Process of making cup and cone members for roller-bearings
Assignee: BOCK BEARING Co
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Filing: 1917-07-16
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Granted: 1921-08-16
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Expires: 1937-07-16
Abstract
No abstract record available.
Inventors
- 👤 Bingham Jeremiah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/10; F; F16; F16C; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C19/364; F16C33/00; F16C33/30; F16C33/58; F16C33/64; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49689
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1924-08-15 | 1925-02-14 | 1925-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-08-15 | 1929-02-14 | 1929-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-08-15 | 1933-02-14 | 1933-08-16 | $7700.00 | Window Closed / Lapsed |