US2456444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor powered wheel drive and control for tool carriages
Assignee: JOHN R BRANT
•
Filing: 1945-07-12
•
Granted: 1948-12-14
•
Expires: 1965-07-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Reid
- 👤 Chester L Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:31
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/02; B05B13/04; B05B15/00; B05B15/60; B05B15/68; B23; B23K; B23K7/00; B23K7/002; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/561; Y10T408/5612; Y10T74/00; Y10T74/19; Y10T74/19614
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-14 | 1952-06-14 | 1952-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-14 | 1956-06-14 | 1956-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-14 | 1960-06-14 | 1960-12-14 | $7700.00 | Window Closed / Lapsed |