US2579048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic pressure control system for pneumatic tires
Assignee: Individual
•
Filing: 1950-01-19
•
Granted: 1951-12-18
•
Expires: 1970-01-19
Abstract
No abstract record available.
Inventors
- 👤 William R Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:31
CPC Classifications
B; B60; B60C; B60C23/00; B60C23/001; B60C23/003; B60C23/00305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1165876A
Cited
US1915161A
Cited
US1855101A
Cited
US1988671A
Cited
US2010250A
Cited
US2168690A
Cited
US2213539A
Cited
US2473502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |