US2700655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber compositions
Assignee: Wingfoot Corp
•
Filing: 1951-09-28
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Granted: 1955-01-25
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Expires: 1971-09-28
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Endres
- 👤 Jr James W Shaw
- 👤 Harold B Pullar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:47
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/20; C08J3/22; C08J3/226; C08L; C08L21/00; C08L95/00; C08J2395/00; C08J2421/00; C08L9/00; C08L9/06; Y; Y10; Y10S; Y10S47/00; Y10S47/10; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A FREE-FLOWING POWDER CAPABLE OF PASSING THROUGH AT LEAST A 20-MESH STANDARD SCREEN, COMPOSED OF 6 PERCENT POWDERED RUBBER, 47 PERCENT POWDERED ASPHALT AND 47 PERCENT OF BARYTES FILLER PARTICLES CAPABLE OF PASSING THROUGH A 325-MESH STANDARD SIEVE.
Claim 2
Dependent Claim
38 words
A FREE-FLOWING POWDER CAPABLE OF PASSING THROUGH AT LEAST A 20-MESH STANDARD SCREEN, COMPOSED OF 6 PERCENT POWDERED RUBBER, 47 PERCENT POWDERED ASPHALT AND 47 PERCENT OF BARYTES FILLER PARTICLES CAPABLE OF PASSING THROUGH A 325-MESH STANDARD SIEVE.
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) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |