Patent US3527038A successfully refreshed from Google Patents.
US3018810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tire with separate tread rings
Assignee: Pirelli and C SpA
•
Filing: 1959-10-19
•
Granted: 1962-01-30
•
Expires: 1979-10-19
Abstract
No abstract record available.
Inventors
- 👤 Barassi Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:36
CPC Classifications
B; B60; B60C; B60C27/00; B60C27/06; B60C27/062; B60C27/065; B60C11/00; B60C11/02; B60C11/14; B60C11/16; B60C11/1643; B60C9/00; B60C9/18; B60C9/20; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765
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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |