US3431875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tufted articles and method for making same
Assignee: Phillips Petroleum Co
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Filing: 1966-09-22
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Granted: 1969-03-11
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Expires: 1986-09-22
Abstract
No abstract record available.
Inventors
- 👤 Harold D Boultinghouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:26
CPC Classifications
D; D05; D05C; D05C17/00; D05C17/02; D06; D06C; D06C29/00; D06C2700/00; D06C2700/29; Y; Y10; Y10S; Y10S264/00; Y10S264/47; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23993
Claims Analysis
Total Claims: 0
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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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |