US3490987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesives from linear hydroxy-terminated polyurethanes cross - linked with triisocyanates
Assignee: Henkel AG and Co KGaA
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Filing: 1967-12-19
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Granted: 1970-01-20
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Expires: 1987-12-19
Abstract
No abstract record available.
Inventors
- 👤 Hans Bauriedel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:49
CPC Classifications
C; C09; C09J; C09J175/00; C09J175/04; B; B32; B32B; B32B27/00; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31565; Y10T428/31573; Y10T428/31587; Y10T428/31591; Y10T428/31605
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) | 1973-01-19 | 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 |