US2886248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealable adhesive composition, tie pad comprising same, and process for using said pad
Assignee: Texaco Inc
•
Filing: 1954-12-31
•
Granted: 1959-05-12
•
Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 James J Laudig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:33
CPC Classifications
C; C09; C09J; C09J195/00; C09J7/00; C09J7/10; E; E01; E01B; E01B9/00; E01B9/68; E01B9/681; E01B9/683; Y; Y10; Y10S; Y10S238/00; Y10S238/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
AN AUTOADHESIVE AND AUTOSEALING RAILROAD TIE SEAL FOR POSITIONING BETWEEN A TIE PLATE AND TIE COMPRISING A SLAB OF AN ADHESIVE SEALING COMPOSITION CONSISTING ESSENTIALLY OF 45-65 WEIGHT PERCENT ASPHALT HAVING PENETRATION BETWEEN 30 AND 50 AND SOFTENING POINT BETWEEN 100* AND 170*F., 5-25 WEIGHT PERCENT HEAVY NAPHTHENE BASE RESIDUUM OF VISCOSITY ABOUT 40-55 SAYBOLT FUROL SECONDS AT 210*F., 3-12 WEIGHT PERCENT PINE TAR, AND 10-35 WEIGHT PERCENT OF AT LEAST ONE RUBBERY ELASTOMER SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER, RECLAIMED RUBBER, SYNTHETIC RUBBER AND FACTICE.
References Cited (Backward Citations)
US1510472A
Cited
US1785251A
Cited
US2021961A
Cited
GB461175A
Cited
US2259560A
Cited
US2273732A
Cited
US2277808A
Cited
US2322642A
Cited
US2433849A
Cited
US2517724A
Cited
US2470141A
Cited
US2681877A
Cited
US2686166A
Cited
US2696452A
Cited
US2686009A
Cited
US2688005A
Cited
US2770421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |