US2559558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial impact type rotary tool
Assignee: Individual
•
Filing: 1946-09-26
•
Granted: 1951-07-03
•
Expires: 1966-09-26
Abstract
No abstract record available.
Inventors
- 👤 Paul H Carlson
- 👤 Edwin N Carlson
- 👤 Warren E Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:20
CPC Classifications
B; B25; B25B; B25B19/00; B25B15/00; B25B15/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1384417A
Cited
US1772723A
Cited
US1731979A
Cited
US1743505A
Cited
US1742040A
Cited
US2078631A
Cited
FR803270A
Cited
GB531797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |