US3547726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making reinforced rubber articles
Assignee: Pirelli and C SpA
•
Filing: 1967-01-04
•
Granted: 1970-12-15
•
Expires: 1987-01-04
Abstract
No abstract record available.
Inventors
- 👤 Giorgio Tangorra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:39
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29C70/14; B29C70/08; B29C70/086; B29D; B29D30/00; B29D30/06; B29D30/38; B60; B60C; B60C9/00; B60C9/02; B60C9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1121182A
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US1759976A
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US1878679A
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GB621867A
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US2622040A
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US2801947A
Cited
US3082138A
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US2991208A
Cited
US3010179A
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US3244572A
Cited
US3194702A
Cited
US3275487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |