US2546002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass jewel bearing
Assignee: Westinghouse Electric Corp
•
Filing: 1944-01-21
•
Granted: 1951-03-20
•
Expires: 1964-01-21
Abstract
No abstract record available.
Inventors
- 👤 Jelinek Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:05
CPC Classifications
G; G04; G04B; G04B31/00; G04B31/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US197869A
Cited
US786366A
Cited
US805303A
Cited
US966784A
Cited
US1366132A
Cited
US1406502A
Cited
US1848312A
Cited
US2099854A
Cited
US2092281A
Cited
US2189860A
Cited
US2206797A
Cited
US2127196A
Cited
US2274105A
Cited
US2316920A
Cited
US2300362A
Cited
US2376742A
Cited
GB542056A
Cited
US2405892A
Cited
US2396462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |