Patent US3344006A successfully refreshed from Google Patents.
US3344006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing the reinforcements of the tread rings in removable tread tires
Assignee: Pirelli and C SpA
•
Filing: 1964-02-26
•
Granted: 1967-09-26
•
Expires: 1984-02-26
Abstract
No abstract record available.
Inventors
- 👤 Barassi Carlo
- 👤 Cappa Giulio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:03
CPC Classifications
B; B60; B60C; B60C11/00; B60C11/02; B29; B29D; B29D30/00; B29D30/06; B29D30/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A METHOD FOR CONSTRUCTING A REINFORCING STRUCTURE FOR TREAD RINGS, CONSISTING IN HELICALLY WINDING A CORD WITH THE COILS DISPOSED PARALLEL IN A LONGITUDINAL DIRECTION, SAID PARALLEL COILS CONSTITUTING AN EVEN NUMBER OF SUPERPOSED LAYERS, AND CHAACTERIZED IN THAT, BY STARTING FROM A POINT REMOTE FROM THE TREAD EDGES, A FIRST LAYER OF PARALLEL COILS, DISPOSED SIDE-BY-SIDE, IS LAID SO AS TO REACH ONE OF THE EDGES, THEN ANOTHER LAYER IS LAID FROM THE FIRST RECITED EDGE TO A SECOND EDGE, AND FINALLY A FURTHER LAYER IS LAID FROM THE SECOND EDGE TO THE STARTING POINT.
Claim 2
Independent Claim
96 words
A METHOD FOR CONSTRUCTING A REINFORCING STRUCTURE FOR TREAD RINGS, CONSISTING IN HELICALLY WINDING A CORD WITH THE COILS DISPOSED PARALLEL IN A LONGITUDINAL DIRECTION, SAID PARALLEL COILS CONSTITUTING AN EVEN NUMBER OF SUPERPOSED LAYERS, AND CHAACTERIZED IN THAT, BY STARTING FROM A POINT REMOTE FROM THE TREAD EDGES, A FIRST LAYER OF PARALLEL COILS, DISPOSED SIDE-BY-SIDE, IS LAID SO AS TO REACH ONE OF THE EDGES, THEN ANOTHER LAYER IS LAID FROM THE FIRST RECITED EDGE TO A SECOND EDGE, AND FINALLY A FURTHER LAYER IS LAID FROM THE SECOND EDGE TO THE STARTING POINT.
References Cited (Backward Citations)
US2982328A
Cited
US2884044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |