US2592420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulling tool
Assignee: OILLIE HOWARD COCHRAN
•
Filing: 1950-02-24
•
Granted: 1952-04-08
•
Expires: 1970-02-24
Abstract
No abstract record available.
Inventors
- 👤 Edward E Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:14
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/023; B25B27/06; B25B27/062; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53878; Y10T29/53887
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB191101830A
Cited
US1483818A
Cited
US2031998A
Cited
US2257318A
Cited
US2341677A
Cited
US2366467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |