US2761684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable ball with composition cover and synthetic thread winding
Assignee: Seamless Rubber Co
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Filing: 1951-02-09
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Granted: 1956-09-04
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Expires: 1971-02-09
Abstract
No abstract record available.
Inventors
- 👤 Cornelius J Crowley
- 👤 William J O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:00
CPC Classifications
A; A63; A63B; A63B43/00; A63B43/007; A63B41/00; A63B41/08; A63B2243/00; A63B2243/0095; Y; Y10; Y10S; Y10S273/00; Y10S273/06; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN INFLATABLE ATHLETIC BALL HAVING A VALVE-EQUIPPED BLADDER OF BUTYL RUBBER, A RELATIVELY THIN AND OPEN WINDING OF CORD COMPRISING SYNTHETIC FIBERS HAVING THE CORD TURNS OUTER SURFACE OF THE BLADDER, THE CORD COMPRISING AN INNER ELEMENT OF CONTINUOUS FILAMENTS HAVING A SURFACE ROUGHENING OF RIDGE-LIKE FORMATION ACTING TO ANCHOR THE CORD TURNS RELATIVELY TO EACH OTHER AND TO THE BLADDER, A CUSHIONING LAYER OF RUBBER EMBEDDING SAID CORD TURNS AND EXTENDING THROUGH THE INTERSTICES BETWEEN THEM, THE RUBBER OF SAID CUSHIONING LAYER BEING MORE RESILIENT THAN THAT OF SAID BLADDER, AND AN OUTER COVER APPLIED TO SAID CUSHIONING LAYER COMPRISING NATURAL RUBBER MIXED WITH A LESSER AMOUNT OF STYRENE-BUTADIENE COPOLYMER CONTAINING BETWEEN 60% AND 80% OF STYRENE.
Claim 2
Dependent Claim
118 words
AN INFLATABLE ATHLETIC BALL HAVING A VALVE-EQUIPPED BLADDER OF BUTYL RUBBER, A RELATIVELY THIN AND OPEN WINDING OF CORD COMPRISING SYNTHETIC FIBERS HAVING THE CORD TURNS OUTER SURFACE OF THE BLADDER, THE CORD COMPRISING AN INNER ELEMENT OF CONTINUOUS FILAMENTS HAVING A SURFACE ROUGHENING OF RIDGE-LIKE FORMATION ACTING TO ANCHOR THE CORD TURNS RELATIVELY TO EACH OTHER AND TO THE BLADDER, A CUSHIONING LAYER OF RUBBER EMBEDDING SAID CORD TURNS AND EXTENDING THROUGH THE INTERSTICES BETWEEN THEM, THE RUBBER OF SAID CUSHIONING LAYER BEING MORE RESILIENT THAN THAT OF SAID BLADDER, AND AN OUTER COVER APPLIED TO SAID CUSHIONING LAYER COMPRISING NATURAL RUBBER MIXED WITH A LESSER AMOUNT OF STYRENE-BUTADIENE COPOLYMER CONTAINING BETWEEN 60% AND 80% OF STYRENE.
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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |