Patent US3527312A successfully refreshed from Google Patents.
Patent US3480506A successfully refreshed from Google Patents.
US3480506A
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Wood laminated with a modified ethylene polymer and a polyalkylene imine
Assignee: Dow Chemical Co
•
Filing: 1964-08-20
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Granted: 1969-11-25
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Expires: 1984-08-20
Abstract
No abstract record available.
Inventors
- 👤 Gerald M Hart
- 👤 Glen L Gunderman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:49
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; B; B27; B27D; B27D1/00; B27D1/04; C09J151/00; C09J151/06; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/14; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/269; Y10T428/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |