US3475200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating textile article with polyurethane and the resulting article
Assignee: Bayer AG
•
Filing: 1966-03-16
•
Granted: 1969-10-28
•
Expires: 1986-03-16
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Kallert
- 👤 Erwin Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:29
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/77; C08G18/78; C08G18/79; C08G18/798; C08G18/08; C08G18/10; C08G18/28; C08G18/65; C08G18/66; C08G18/6603; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1362; Y10T442/00; Y10T442/20; Y10T442/2361
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |