US3551231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing a tufted carpet using a hot melt backsizing composition
Assignee: EIDP Inc
•
Filing: 1968-05-01
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Granted: 1970-12-29
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Expires: 1988-05-01
Abstract
No abstract record available.
Inventors
- 👤 George E Smedberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:36
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0078; D06N2201/00; D06N2201/02; D06N2201/0245; D06N2201/0254; D06N2201/0263; D06N2201/06; D06N2205/00; D06N2205/06
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) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |