Patent US2807931A successfully refreshed from Google Patents.
Patent US1250367A successfully refreshed from Google Patents.
US1250367A
Expired / Lapsed
US
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Roller-bearing.
Assignee: Individual
•
Filing: 1916-05-29
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Granted: 1917-12-18
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Expires: 1936-05-29
Abstract
No abstract record available.
Inventors
- 👤 Eliel L Sharpneck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:53
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/54; F16C33/48; F16C19/00; F16C19/22; F16C19/24; F16C19/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49691
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) | 1920-12-17 | 1921-06-18 | 1921-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-12-17 | 1925-06-18 | 1925-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-12-17 | 1929-06-18 | 1929-12-18 | $7700.00 | Window Closed / Lapsed |