US2783528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing bearings for maintaining revolving shafts
Assignee: Individual
•
Filing: 1952-09-02
•
Granted: 1957-03-05
•
Expires: 1972-09-02
Abstract
No abstract record available.
Inventors
- 👤 Menne Wilhelm Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:28
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/64; F16C19/00; F16C19/54; F16C19/55; Y; Y10; Y10S; Y10S29/00; Y10S29/032; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49682; Y10T29/49684; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49853; Y10T29/49856; Y10T29/49863; Y10T29/49865; Y10T29/49908; Y10T29/49925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US881471A
Cited
FR382500A
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US1176170A
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US1817808A
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US2112754A
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US2223799A
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GB552180A
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GB617991A
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US2536821A
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US2629165A
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DE801548C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |