US1638797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-aligning bearing and method of making the same
Assignee: BOUDND BROOK OIL LESS BEARING
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Filing: 1926-10-01
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Granted: 1927-08-09
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Expires: 1946-10-01
Abstract
No abstract record available.
Inventors
- 👤 Claus Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:48
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/04; F; F16; F16C; F16C23/00; F16C23/02; F16C23/04; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/902; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/49657
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) | 1930-08-08 | 1931-02-07 | 1931-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-08-08 | 1935-02-07 | 1935-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-08-08 | 1939-02-07 | 1939-08-09 | $7700.00 | Window Closed / Lapsed |