US2667388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing and seal assembly
Assignee: Allis Chalmers Corp
•
Filing: 1950-05-24
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Granted: 1954-01-26
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Expires: 1970-05-24
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Schick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:48
CPC Classifications
B; B61; B61F; B61F15/00; B61F15/20; B61F15/22; F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7886; F16C2326/00; F16C2326/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377589A
Cited
US1985985A
Cited
US2258830A
Cited
US2311287A
Cited
GB572262A
Cited
US2464989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |