US1773301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifriction bearing
Assignee: Individual
•
Filing: 1926-07-19
•
Granted: 1930-08-19
•
Expires: 1946-07-19
Abstract
No abstract record available.
Inventors
- 👤 Canfield Virgil David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:05
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/54; F16C19/546; F16C19/547; F16C19/548; F16C25/00; F16C25/06; F16C35/00; F16C35/04; F16C35/06; F16C35/07; F16C35/073; F16C9/00; F16C9/04; F16C19/02; F16C19/04; F16C19/06; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2162
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1933-08-18 | 1934-02-17 | 1934-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-18 | 1938-02-17 | 1938-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-18 | 1942-02-17 | 1942-08-19 | $7700.00 | Window Closed / Lapsed |