US2629121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable brushing tool for cleaning pipe threads
Assignee: Individual
•
Filing: 1949-08-24
•
Granted: 1953-02-24
•
Expires: 1969-08-24
Abstract
No abstract record available.
Inventors
- 👤 Severin W Petre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:25
CPC Classifications
B; B23; B23D; B23D79/00; B23D79/02; B08; B08B; B08B9/00; B08B9/02; B08B9/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US176197A
Cited
US500906A
Cited
FR401742A
Cited
US1422067A
Cited
US1600927A
Cited
DE633037C
Cited
US2074213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |