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Patent US2426940A successfully refreshed from Google Patents.
US2426940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Journal bearing
Assignee: Individual
•
Filing: 1943-10-22
•
Granted: 1947-09-02
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Expires: 1963-10-22
Abstract
No abstract record available.
Inventors
- 👤 William E Mccullough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:26
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/49709; Y10T428/00; Y10T428/12; Y10T428/12382; Y10T428/12465
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1722634A
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US1899631A
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US1858092A
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US2002758A
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GB434022A
Cited
US2170039A
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US2266276A
Cited
US2249349A
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US2284670A
Cited
US2270988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-01 | 1951-03-03 | 1951-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-01 | 1955-03-03 | 1955-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-01 | 1959-03-03 | 1959-09-02 | $7700.00 | Window Closed / Lapsed |