Patent US3764981A successfully refreshed from Google Patents.
US2982328A
Expired / Lapsed
US
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Pneumatic tires
Assignee: Pirelli and C SpA
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Filing: 1956-12-10
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Granted: 1961-05-02
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Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Emanueli Luigi
- 👤 Mazza Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:30
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/18; B60C9/20; B60C9/22; B60C9/2204; B60C9/2003; B60C9/2006; B60C9/26; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10765; Y10T152/1081
Claims Analysis
Total Claims: 0
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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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |