US3440307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for applying polyurethane foam backing to fabrics
Assignee: Westpoint Pepperell Inc
•
Filing: 1965-08-05
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Granted: 1969-04-22
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Expires: 1985-08-05
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Printz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:04
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/14; B29C44/145; B29B; B29B7/00; B29B7/74; B29B7/76; B29B7/7615; B29B7/7621; B29C70/00; B29C70/58; D; D06; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0073; D06N7/0086; B29C33/00; B29C33/12; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/128; B29L; B29L2031/00; B29L2031/30; B29L2031/3005; B29L2031/3017; D06N2201/00; D06N2201/04; D06N2201/042; D06N2201/045; D06N2203/00; D06N2203/02; D06N2203/06; D06N2203/068; D06N2205/00; D06N2205/04; D06N2205/20; D06N2207/00; D06N2207/08; D06N2211/00; D06N2211/12; D06N2211/26; D06N2211/263; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49835; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017; Y10T428/24628; Y10T428/24636; Y10T428/249921; Y10T428/249923; Y10T428/249953; Y10T428/249987; Y10T428/249988; Y10T428/249989
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3041224A
Cited
US3116196A
Cited
US3005213A
Cited
US3056168A
Cited
US3108976A
Cited
US3246059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |