Patent US2744799A successfully refreshed from Google Patents.
US2744799A
Expired / Lapsed
US
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Bearing
Assignee: Individual
•
Filing: 1952-04-23
•
Granted: 1956-05-08
•
Expires: 1972-04-23
Abstract
No abstract record available.
Inventors
- 👤 Howarth Mary Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:01
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/04; F16C17/06; F16C25/00; F16C25/02; F16C29/00; F16C29/02; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/106; F16C33/108; F16C2300/00; F16C2300/30; F16C2300/34; Y; Y10; Y10S; Y10S384/00; Y10S384/90
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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |