Patent US490888A successfully refreshed from Google Patents.
Patent US2417232A successfully refreshed from Google Patents.
US2417232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pulsator transmission and control system
Assignee: Individual
•
Filing: 1944-07-11
•
Granted: 1947-03-11
•
Expires: 1964-07-11
Abstract
No abstract record available.
Inventors
- 👤 Earle C Bohall
- 👤 Wallace R Bohall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:28
CPC Classifications
F; F15; F15B; F15B7/00; F15B7/005; F15B7/008; F15B7/06; F15B7/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-10 | 1950-09-09 | 1951-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-10 | 1954-09-09 | 1955-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-10 | 1958-09-09 | 1959-03-11 | $7700.00 | Window Closed / Lapsed |