US2674045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centering tool
Assignee: Individual
•
Filing: 1950-03-28
•
Granted: 1954-04-06
•
Expires: 1970-03-28
Abstract
No abstract record available.
Inventors
- 👤 Lakomski John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:22
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q17/2233; B23Q17/2266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US297719A
Cited
US893427A
Cited
US1447346A
Cited
US1395087A
Cited
US1422746A
Cited
US1630476A
Cited
CH181019A
Cited
GB576436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |