US1787214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifriction bearing
Assignee: SHAFER BEARING Corp
•
Filing: 1928-01-16
•
Granted: 1930-12-30
•
Expires: 1948-01-16
Abstract
No abstract record available.
Inventors
- 👤 Julius E Shafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:56
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/086; F16C33/00; F16C33/30; F16C33/34; F16C33/36; F16C33/46; F16C33/54; F16C33/542; F16C33/543
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) | 1933-12-29 | 1934-06-30 | 1934-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-12-29 | 1938-06-30 | 1938-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-12-29 | 1942-06-30 | 1942-12-30 | $7700.00 | Window Closed / Lapsed |