US2586987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll honing machine
Assignee: Bower Roller Bearing Co
•
Filing: 1950-04-13
•
Granted: 1952-02-26
•
Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Herman A Ortegren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:59
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/34; F16C33/36; B; B24; B24B; B24B5/00; B24B5/18; B24B5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US391992A
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US1669728A
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US1788046A
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US1847466A
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US2002317A
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US2243371A
Cited
US2270525A
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US2433455A
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US2479112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |