Patent US3522975A successfully refreshed from Google Patents.
US3522975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing
Assignee: Individual
•
Filing: 1968-08-19
•
Granted: 1970-08-04
•
Expires: 1988-08-19
Abstract
No abstract record available.
Inventors
- 👤 Charles S White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:40
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045; F16C11/00; F16C11/04; F16C11/06; F16C11/0614; F16C11/0619; F16C17/00; F16C17/02; F16C33/00; F16C33/02; F16C33/04
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |