US2604420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of pneumatic tires
Assignee: Sumitomo Rubber USA LLC
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Filing: 1950-11-10
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Granted: 1952-07-22
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Expires: 1970-11-10
Abstract
No abstract record available.
Inventors
- 👤 Barber Ronald Jesse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:55
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
TIRE BUILDING APPARATUS WHICH COMPRISES A ROTATABLE FORMING DRUM, A PAIR OF FREELY ROTATABLE WHEELS EACH HAVING AN ANNULAR PNEUMATIC TUBE MOUNTED ON ITS RIM, A PAIR OF FREELY ROTATABLE NONRESILIENT SPINNING DISCS LOCATED BETWEEN SAID WHEELS, MEANS FOR PRESSING SAID ANNULAR PNEUMATIC TUBES OF SAID WHEELS AND SAID DISCS INTO ROLLING CONTACT WITH MATERIAL ON THE SURFACE OF SAID DRUM, AND MEANS TO MOVE SAID WHEELS AND DISCS IN OPPOSITE DIRECTIONS FROM THE MID PORTION OF SAID DRUM TO THE OPPOSITE ENDS THEREOF WHILE SAID ANNULAR TUBES AND SAID DISC ARE IN ROLLING CONTACT WITH MATERIAL ON THE SURFACE OF SAID DRUM.
Claim 2
Dependent Claim
103 words
TIRE BUILDING APPARATUS WHICH COMPRISES A ROTATABLE FORMING DRUM, A PAIR OF FREELY ROTATABLE WHEELS EACH HAVING AN ANNULAR PNEUMATIC TUBE MOUNTED ON ITS RIM, A PAIR OF FREELY ROTATABLE NONRESILIENT SPINNING DISCS LOCATED BETWEEN SAID WHEELS, MEANS FOR PRESSING SAID ANNULAR PNEUMATIC TUBES OF SAID WHEELS AND SAID DISCS INTO ROLLING CONTACT WITH MATERIAL ON THE SURFACE OF SAID DRUM, AND MEANS TO MOVE SAID WHEELS AND DISCS IN OPPOSITE DIRECTIONS FROM THE MID PORTION OF SAID DRUM TO THE OPPOSITE ENDS THEREOF WHILE SAID ANNULAR TUBES AND SAID DISC ARE IN ROLLING CONTACT WITH MATERIAL ON THE SURFACE OF SAID DRUM.
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) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |