US2439008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill stand and gauge
Assignee: Individual
•
Filing: 1945-06-05
•
Granted: 1948-04-06
•
Expires: 1965-06-05
Abstract
No abstract record available.
Inventors
- 👤 James F Kellem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:56
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q17/2233; B23Q17/225; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/567
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US683664A
Cited
US809069A
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US1018153A
Cited
US1191906A
Cited
US1385227A
Cited
US1615668A
Cited
US2083490A
Cited
US2341107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-06 | 1951-10-06 | 1952-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-06 | 1955-10-06 | 1956-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-06 | 1959-10-06 | 1960-04-06 | $7700.00 | Window Closed / Lapsed |