Patent US2670636A successfully refreshed from Google Patents.
US2670636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool of the drill press type having multiple rotary tools
Assignee: Individual
•
Filing: 1948-06-10
•
Granted: 1954-03-02
•
Expires: 1968-06-10
Abstract
No abstract record available.
Inventors
- 👤 Fred G Burg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:06
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; B23B; B23B39/00; B23B39/16; B23B39/20; B23B39/205; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/37; Y10T408/65; Y10T408/675; Y10T408/6771; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453; Y10T74/15; Y10T74/1503; Y10T74/1508
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US312019A
Cited
US694783A
Cited
US1168091A
Cited
US1288351A
Cited
US1924383A
Cited
US2004794A
Cited
US2303243A
Cited
US2325102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |