US2433599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: WHEELCO INSTR Co
•
Filing: 1942-12-31
•
Granted: 1947-12-30
•
Expires: 1962-12-31
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:08
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/12; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7306
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2261815A
Cited
US1941472A
Cited
US2013140A
Cited
US2076944A
Cited
US2150431A
Cited
US2169305A
Cited
US2120048A
Cited
GB499219A
Cited
US2310298A
Cited
US2276122A
Cited
US2354964A
Cited
US2227487A
Cited
US2288838A
Cited
US2316875A
Cited
US2368052A
Cited
US2355088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |