US2522264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Wingfoot Corp
•
Filing: 1947-05-23
•
Granted: 1950-09-12
•
Expires: 1967-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jorgen I Haase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:37
CPC Classifications
H; H02; H02P; H02P7/00; H02P7/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1001339A
Cited
US1584703A
Cited
US1950692A
Cited
US2005663A
Cited
US2331354A
Cited
US2384996A
Cited
US2428828A
Cited
US2395636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |