US2580398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill press
Assignee: Individual
•
Filing: 1949-11-17
•
Granted: 1952-01-01
•
Expires: 1969-11-17
Abstract
No abstract record available.
Inventors
- 👤 Roy A Braswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:08
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/013; B23K7/00; B23K7/10; Y; Y10; Y10T; Y10T408/00; Y10T408/44; Y10T408/45; Y10T408/455; Y10T408/55; Y10T408/564; Y10T408/5647; Y10T408/5653
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US866866A
Cited
US884762A
Cited
US1554407A
Cited
US1752690A
Cited
US2385665A
Cited
US2485361A
Cited
US2436251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |