US3491053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a polyurethane gel and the composition prepared therefrom
Assignee: Glanzstoff AG
•
Filing: 1966-12-15
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Granted: 1970-01-20
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Expires: 1986-12-15
Abstract
No abstract record available.
Inventors
- 👤 Erwin Sommer
- 👤 Klaus Gerlach
- 👤 Klaus Boehme
- 👤 Werner Riess
- 👤 Friedrich Dangl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:18
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/28; C08J9/283; C08K; C08K3/00; C08K3/18; C08K3/24; C08K3/28; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L75/00; C08L75/04; C08J2375/00; C08J2375/04; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/249921; Y10T428/249953; Y10T428/249978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3190766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |