US2422320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preset control
Assignee: Reeves Pulley Co
•
Filing: 1944-04-01
•
Granted: 1947-06-17
•
Expires: 1964-04-01
Abstract
No abstract record available.
Inventors
- 👤 Walter H Troemel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:35
CPC Classifications
G; G05; G05G; G05G19/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19535; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1732945A
Cited
US1830369A
Cited
US1954142A
Cited
US2090812A
Cited
US2141056A
Cited
US2214807A
Cited
US2355587A
Cited
GB556287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-16 | 1950-12-16 | 1951-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-16 | 1954-12-16 | 1955-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-16 | 1958-12-16 | 1959-06-17 | $7700.00 | Window Closed / Lapsed |