US2033227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rod driver
Assignee: Individual
•
Filing: 1932-08-11
•
Granted: 1936-03-10
•
Expires: 1952-08-11
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:58
CPC Classifications
E; E02; E02D; E02D1/00; E02D1/02; E02D1/022; A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3969; Y10T24/3976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-03-10 | 1939-09-09 | 1940-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-10 | 1943-09-09 | 1944-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-10 | 1947-09-09 | 1948-03-10 | $7700.00 | Window Closed / Lapsed |