Patent US2852836A successfully refreshed from Google Patents.
US2852836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of race members of roller and ball bearings
Assignee: British Timken Ltd
•
Filing: 1955-11-25
•
Granted: 1958-09-23
•
Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Mcnicoll David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:01
CPC Classifications
B; B23; B23P; B23P9/00; B23P9/02; B21; B21H; B21H1/00; B21H1/06; B21H1/12; B21K; B21K1/00; B21K1/04; F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/64; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49689
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1326205A
Cited
US1701736A
Cited
US1834722A
Cited
US1984718A
Cited
US2223799A
Cited
US2132370A
Cited
US2267229A
Cited
US2259324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |