US2756801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Puncture-sealing pneumatic article
Assignee: Uniroyal Inc
•
Filing: 1952-10-20
•
Granted: 1956-07-31
•
Expires: 1972-10-20
Abstract
No abstract record available.
Inventors
- 👤 Alfred N Iknayan
- 👤 Lester C Peterson
- 👤 Harvey J Batts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:46
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0681; B29D30/0685; B60; B60C; B60C19/00; B60C19/12; B60C19/122; B60C19/127; B29D2030/0686; B29D2030/0691; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10666; Y10T152/10675; Y10T152/10684; Y10T152/10702
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PUNCTURE-SEALING PNEUMATIC ARTICLE FOR SUPPORTING A VEHICLE COMPRISING AN ANNULAR AIR-IMPERVIOUS ENVELOPE HAVING A CROWN PORTION AND SIDEWALL PORTIONS, AND A LAYER OF SEALANT MATERIAL ADHERED AT LEAST TO SAID CROWN PORTION MADE UP OF A REACTION PRODUCT (1) A SYNTHETIC RUBBERY COPOLYMER OF ISOBUTYLENE WITH FROM 0.5 TO 5% OF ISOPRENE AND (2) FROM 0.2 TO 2.5 PARTS BY WEIGHT OF A RESINOUS 2,6-DIMETHYLOL-4-LOWER ALKYL PHENOL, PER 100 PARTS OF SAID RUBBERY COPOLYMER, IN ADMIXTURE WITH FROM 40 TO 150 PARTS OF A POWDERED FILLER, AND FROM 10 TO 50 PARTS OF A SOFTENER, THE SAID COMPOSITION HAVING A MOONEY VISCOSITY OF FROM 40 TO 70.
Claim 2
Dependent Claim
108 words
A PUNCTURE-SEALING PNEUMATIC ARTICLE FOR SUPPORTING A VEHICLE COMPRISING AN ANNULAR AIR-IMPERVIOUS ENVELOPE HAVING A CROWN PORTION AND SIDEWALL PORTIONS, AND A LAYER OF SEALANT MATERIAL ADHERED AT LEAST TO SAID CROWN PORTION MADE UP OF A REACTION PRODUCT (1) A SYNTHETIC RUBBERY COPOLYMER OF ISOBUTYLENE WITH FROM 0.5 TO 5% OF ISOPRENE AND (2) FROM 0.2 TO 2.5 PARTS BY WEIGHT OF A RESINOUS 2,6-DIMETHYLOL-4-LOWER ALKYL PHENOL, PER 100 PARTS OF SAID RUBBERY COPOLYMER, IN ADMIXTURE WITH FROM 40 TO 150 PARTS OF A POWDERED FILLER, AND FROM 10 TO 50 PARTS OF A SOFTENER, THE SAID COMPOSITION HAVING A MOONEY VISCOSITY OF FROM 40 TO 70.
References Cited (Backward Citations)
US1273698A
Cited
US2356128A
Cited
US2332913A
Cited
US2566384A
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US2493047A
Cited
US2632492A
Cited
US2598289A
Cited
US2657729A
Cited
US2605248A
Cited
US2649432A
Cited
US2649431A
Cited
US2702287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |