Patent US3283053A successfully refreshed from Google Patents.
US3283053A
Expired / Lapsed
US
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Method for forming non-skid tire treads
Assignee: Penetred Corp
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Filing: 1965-01-21
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Granted: 1966-11-01
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Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Paul J Felker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:18
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/66; B29D2030/662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A METHOD OF FORMING NON-SKIT SIPED TIRE TREADS WITH THE USE OF A TIRE MOLDING MACHINE THE STEPS OF SECURING SIPE-FORMING STRIPS IN THE BOTTOM OF THE MOLD WITH CIRCUMFERENTIALLY-DIRECTED EXTENTS ARRANGED IN PAIRS OF CIRCUMFERENTIALLY EXTENDING LINES SO THAT THE LINES OF EACH PAIR FORM OPPOSITE SIDES OF A CHANNEL HAVING THE BOTTOM WALL OF THE MOLDING RECESS FOR THE BOTTOM OF THE CHANNEL SUPPLYING ELONGATED TRACTION-AUGMENTING MEMBERS OF A WIDTH TO BE SNUGLY RECEIVED IN SAID CHANNELS, PLACING ONE OF SAID ELONGATED TRACTION-AUGMENTING MEMBERS IN EACH OF SAID CHANNELS TO EXTEND AROUND THE CIRCUMFERENCE OF THE MOLD AND SO THAT SAID SIPE STRIPS WILL SERVE THE DUAL FUNCTION OF MAINTAINING THE TRACTION-AUGMENTING MEMBERS IN EACH OF LATERALLY-LOCATED POSITION AND OF CREATING SIPES IN THE TIRE TO BE MOLDED, AND THEN WHILE THE TRACTION-AUGMENTING MEMBERS ARE THUS HELD AND POSITIONED FORMING A SIPED TIRE TREAD WITH THE ELONGATED TRACTION-AUGMENTING MEMBERS THEREIN.
Claim 2
Dependent Claim
153 words
IN A METHOD OF FORMING NON-SKIT SIPED TIRE TREADS WITH THE USE OF A TIRE MOLDING MACHINE THE STEPS OF SECURING SIPE-FORMING STRIPS IN THE BOTTOM OF THE MOLD WITH CIRCUMFERENTIALLY-DIRECTED EXTENTS ARRANGED IN PAIRS OF CIRCUMFERENTIALLY EXTENDING LINES SO THAT THE LINES OF EACH PAIR FORM OPPOSITE SIDES OF A CHANNEL HAVING THE BOTTOM WALL OF THE MOLDING RECESS FOR THE BOTTOM OF THE CHANNEL SUPPLYING ELONGATED TRACTION-AUGMENTING MEMBERS OF A WIDTH TO BE SNUGLY RECEIVED IN SAID CHANNELS, PLACING ONE OF SAID ELONGATED TRACTION-AUGMENTING MEMBERS IN EACH OF SAID CHANNELS TO EXTEND AROUND THE CIRCUMFERENCE OF THE MOLD AND SO THAT SAID SIPE STRIPS WILL SERVE THE DUAL FUNCTION OF MAINTAINING THE TRACTION-AUGMENTING MEMBERS IN EACH OF LATERALLY-LOCATED POSITION AND OF CREATING SIPES IN THE TIRE TO BE MOLDED, AND THEN WHILE THE TRACTION-AUGMENTING MEMBERS ARE THUS HELD AND POSITIONED FORMING A SIPED TIRE TREAD WITH THE ELONGATED TRACTION-AUGMENTING MEMBERS THEREIN.
References Cited (Backward Citations)
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US2832392A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |