Patent US4150920A successfully refreshed from Google Patents.
Patent US2567498A successfully refreshed from Google Patents.
US2567498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centering device
Assignee: Individual
•
Filing: 1945-10-29
•
Granted: 1951-09-11
•
Expires: 1965-10-29
Abstract
No abstract record available.
Inventors
- 👤 Theodore O Strauss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:53
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/36; Y; Y10; Y10T; Y10T279/00; Y10T279/14; Y10T279/19; Y10T279/1926; Y10T279/1941; Y10T279/26; Y10T279/32; Y10T82/00; Y10T82/27
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US158007A
Cited
US233097A
Cited
US289867A
Cited
US981062A
Cited
US1051531A
Cited
DE339643C
Cited
US1765624A
Cited
DE549225C
Cited
US1947198A
Cited
US1868435A
Cited
US2162246A
Cited
DE696962C
Cited
US2329382A
Cited
US2311258A
Cited
US2420502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |