Patent US2112754A successfully refreshed from Google Patents.
US2112754A
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Method of manufacturing ball and roller bearings
Assignee: Firm Louis Muller & Cie S A
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Filing: 1935-12-26
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Granted: 1938-03-29
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Expires: 1955-12-26
Abstract
No abstract record available.
Inventors
- 👤 Annen Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:12
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/24; F16C19/26; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C19/166; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C43/00; F16C43/04; F16C43/06; F16C43/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49682; Y10T29/49684
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) | 1941-03-28 | 1941-09-27 | 1942-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-03-28 | 1945-09-27 | 1946-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-03-28 | 1949-09-27 | 1950-03-29 | $7700.00 | Window Closed / Lapsed |