US1352204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yieldable bearing for centrifugal machines
Assignee: De Laval Separator Co
•
Filing: 1919-01-08
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Granted: 1920-09-07
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Expires: 1939-01-08
Abstract
No abstract record available.
Inventors
- 👤 Leitch Meredith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:52
CPC Classifications
B; B04; B04B; B04B9/00; B04B9/12; F; F16; F16C; F16C23/00; F16C23/02; F16C23/04
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) | 1923-09-07 | 1924-03-08 | 1924-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-09-07 | 1928-03-08 | 1928-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-09-07 | 1932-03-08 | 1932-09-07 | $7700.00 | Window Closed / Lapsed |