Patent US3397887A successfully refreshed from Google Patents.
US3397887A
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Tether ball
Assignee: WJ Voit Rubber Corp
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Filing: 1963-10-10
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Granted: 1968-08-20
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 David M Caplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:35
CPC Classifications
B; B29; B29D; B29D22/00; B29D22/04; A; A63; A63B; A63B43/00; A63B43/007; B29K; B29K2009/00; B29K2027/00; B29K2027/06; Y; Y10; Y10S; Y10S116/00; Y10S116/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A TETHERBALL COMPRISING: A SPHERICAL BODY PORTION OF A FUSED POLYVINYL CHLORIDE MATERIAL, A TETHER HANGER EXTENDING SIGNIFICANTLY BEYOND THE SURFACE OF SAID SPHERICAL BODY PORTION INCLUDING A LOOP PORTION AND A FLANGE PORTION, SAID LOOP PORTION MERGING INTO SAID FLANGE PORTION AND SAID FLANGE PORTION EXTENDING BEYOND THE BASE OF THE LOOP PORTION, THE HANGER COMPRISING A BLEND OF CARBON BLACK REINFORCED NITRILE RUBBER AND POLYVINYL CHLORIDE RESIN HAVING A GREATER TENSILE STRENGTH THAN THE TENSILE STRENGTH OF SAID POLYVINYL CHLORIDE SPHERICAL BODY PORTION AND THE HANGER BEING MOUNTED TO THE SPHERICAL BODY PORTION OF THE TETHERBALL BY MEANS OF A STRONG CHEMICAL AND FUSION BOND SECURING THE FLANGE PORTION TO THE SPHERICAL BODY PORTION, SAID FLANGE PORTION THEREBY DISTRIBUTING THE TETHERING STRESS OVER A RELATIVELY LARGE CIRCULAR AREA OF SAID SPHERICAL BODY PORTION, AND A VALVE MEMBER INTEGRALLY MOUNTED TO THE BODY PORTION OF THE TETHERBALL FOR INFLATING SAID TETHERBALL.
Claim 2
Dependent Claim
152 words
A TETHERBALL COMPRISING: A SPHERICAL BODY PORTION OF A FUSED POLYVINYL CHLORIDE MATERIAL, A TETHER HANGER EXTENDING SIGNIFICANTLY BEYOND THE SURFACE OF SAID SPHERICAL BODY PORTION INCLUDING A LOOP PORTION AND A FLANGE PORTION, SAID LOOP PORTION MERGING INTO SAID FLANGE PORTION AND SAID FLANGE PORTION EXTENDING BEYOND THE BASE OF THE LOOP PORTION, THE HANGER COMPRISING A BLEND OF CARBON BLACK REINFORCED NITRILE RUBBER AND POLYVINYL CHLORIDE RESIN HAVING A GREATER TENSILE STRENGTH THAN THE TENSILE STRENGTH OF SAID POLYVINYL CHLORIDE SPHERICAL BODY PORTION AND THE HANGER BEING MOUNTED TO THE SPHERICAL BODY PORTION OF THE TETHERBALL BY MEANS OF A STRONG CHEMICAL AND FUSION BOND SECURING THE FLANGE PORTION TO THE SPHERICAL BODY PORTION, SAID FLANGE PORTION THEREBY DISTRIBUTING THE TETHERING STRESS OVER A RELATIVELY LARGE CIRCULAR AREA OF SAID SPHERICAL BODY PORTION, AND A VALVE MEMBER INTEGRALLY MOUNTED TO THE BODY PORTION OF THE TETHERBALL FOR INFLATING SAID TETHERBALL.
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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |