Patent UST900016I4 successfully refreshed from Google Patents.
UST900016I4
Expired / Lapsed
US
⏱️ 0.0 years remaining
Defensive publication
Assignee: —
•
Filing: 1970-10-14
•
Granted: 1972-07-25
•
Expires: 1990-10-14
Abstract
Abstract HOT MELT CARPET BACKING ADHESIVES COMPRISING A BLEND OF FROM ABOUT 20 TO ABOUT 60 PARTS OF AMORPHOUS POLYPROPYLENE, FROM ABOUT 10 TO ABOUT 50 PARTS OF POLYETHYLENE HAVING A MELT INDEX OF FROM ABOUT 10 TO ABOUT 350 AND FROM ABOUT 10 TO ABOUT 50 PARTS OF TACKIFYING MATERIAL INCLUDING POLYTERPENE RESINS, TALL OIL ROSINS, WOOD ROSINS, HYDROGENATED WOOD ROSINS, ROSIN ESTERS AND HYDROCARBON RESINS. THESE ADHESIVES HAVE BEEN FOUND TO GREATLY IMPROVE THE MANUFACTURE OF CARPETS AND THE CARPET STRUCTURE ITSELF.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:51
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; C; C09; C09J; C09J123/00; C09J123/02; D06M15/01; D06M15/17; C08; C08L; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |