US3470836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn of reduced liveliness and pile carpet thereof
Assignee: Dow Chemical Co
•
Filing: 1967-09-26
•
Granted: 1969-10-07
•
Expires: 1987-09-26
Abstract
No abstract record available.
Inventors
- 👤 Harry E New
- 👤 Dick R Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:38
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/44; D02G3/445; D02G3/22; D02G3/26; D02G3/28; D05; D05C; D05C17/00; D05C17/02; D05C17/026; D10; D10B; D10B2321/00; D10B2321/10; D10B2321/101; D10B2503/00; D10B2503/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2186396A
Cited
US2156935A
Cited
US2199400A
Cited
US2662560A
Cited
GB713072A
Cited
US3011243A
Cited
US3332453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |