US3335778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing flap for pneumatic tires
Assignee: Dunlop Rubber Co Ltd
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Filing: 1965-04-12
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Granted: 1967-08-15
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Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Blagden
- 👤 George E Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:05
CPC Classifications
B; B60; B60B; B60B21/00; B60B21/12; B60B21/02; B60B21/025; B60B21/026; B60B21/06; B60B21/062; B60B21/10; B60B21/102; B60C; B60C15/00; B60C15/02; B60C5/00; B60C5/12; B60C5/16; B60B2360/00; B60B2360/50; Y; Y10; Y10S; Y10S152/00; Y10S152/09; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10738
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A SEALING FLAP FOR AN OPEN-BELLIED PNEUMATIC PRESSURE CONTAINING TIRE COMPRISING AN IMPERVIOUS FLEXIBLE ANNULAR MEMBER PROPORTIONAL TO FIT AROUND AND LIE SEALINGLY AGAINST AN ASSOCIATED WHEEL RIM, SAID ANNULAR MEMBER HAVING A SUBSTANTIAL THICKNESS AT EACH OF THE OPPOSITE SIDES THEREOF TO PROVIDE A PAIR OF BEAD SEATS DISPOSED RADIALLY OUTWARDLY AT A SUBSTANTIAL DISTANCE FROM THE ASSOCIATED PORTIONS OF THE MEMBER ENGAGED BY SAID RIM, A RELATIVELY THIN CROSS SECTION OF SAID MEMBER WHICH IS ADAPTED TO LIE AGAINST THE CENTRAL PORTION OF THE WHEEL RIM TO FORM A CENTRAL REGION IN SEALING ENGAGEMENT WITH SAID WHEEL RIM, AND AT LEAST ONE AXIALLY PROJECTING LIP LOCATED ALONG ONE OF THE SIDE EDGES OF SAID MEMBER FOR ENGAGEMENT WITH A COACTING PORTION OF THE WHEEL RIM.
Claim 2
Dependent Claim
127 words
A SEALING FLAP FOR AN OPEN-BELLIED PNEUMATIC PRESSURE CONTAINING TIRE COMPRISING AN IMPERVIOUS FLEXIBLE ANNULAR MEMBER PROPORTIONAL TO FIT AROUND AND LIE SEALINGLY AGAINST AN ASSOCIATED WHEEL RIM, SAID ANNULAR MEMBER HAVING A SUBSTANTIAL THICKNESS AT EACH OF THE OPPOSITE SIDES THEREOF TO PROVIDE A PAIR OF BEAD SEATS DISPOSED RADIALLY OUTWARDLY AT A SUBSTANTIAL DISTANCE FROM THE ASSOCIATED PORTIONS OF THE MEMBER ENGAGED BY SAID RIM, A RELATIVELY THIN CROSS SECTION OF SAID MEMBER WHICH IS ADAPTED TO LIE AGAINST THE CENTRAL PORTION OF THE WHEEL RIM TO FORM A CENTRAL REGION IN SEALING ENGAGEMENT WITH SAID WHEEL RIM, AND AT LEAST ONE AXIALLY PROJECTING LIP LOCATED ALONG ONE OF THE SIDE EDGES OF SAID MEMBER FOR ENGAGEMENT WITH A COACTING PORTION OF THE WHEEL RIM.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |