US1872251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing assembly
Assignee: Westinghouse Electric Corp
•
Filing: 1930-10-20
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Granted: 1932-08-16
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Expires: 1950-10-20
Abstract
No abstract record available.
Inventors
- 👤 Stuart H Cowin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:21
CPC Classifications
B; B61; B61F; B61F15/00; B61F15/12; F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/80; F16C19/00; F16C19/22; F16C19/24; F16C19/26; F16C2326/00; F16C2326/10
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) | 1935-08-16 | 1936-02-15 | 1936-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-16 | 1940-02-15 | 1940-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-16 | 1944-02-15 | 1944-08-16 | $7700.00 | Window Closed / Lapsed |