US2501450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool transmission
Assignee: AVEY DRILLING MACHINE Co
•
Filing: 1945-06-29
•
Granted: 1950-03-21
•
Expires: 1965-06-29
Abstract
No abstract record available.
Inventors
- 👤 George K Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:37
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2078859A
Cited
US2207073A
Cited
US2209484A
Cited
US2296573A
Cited
US2248948A
Cited
US2342604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |