US3513046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of double-backed tufted carpets
Assignee: Polysar Ltd
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Filing: 1967-06-30
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Granted: 1970-05-19
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Expires: 1987-06-30
Abstract
No abstract record available.
Inventors
- 👤 Donald Westfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:40
CPC Classifications
D; D05; D05C; D05C17/00; D05C17/02; D06; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0073; D06N2201/00; D06N2201/02; D06N2201/0245; D06N2201/0254; D06N2201/04; D06N2201/042; D06N2201/045; D06N2201/06; D06N2203/00; D06N2203/02; D06N2203/022; D06N2205/00; D06N2205/04; D06N2209/00; D06N2209/08; D06N2209/0807; D06N2209/16; D06N2209/1628
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) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |