US3484351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making film type hot melt adhesives using far ultraviolet light
Assignee: Sumitomo Bakelite Co Ltd
•
Filing: 1967-03-06
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Granted: 1969-12-16
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Expires: 1987-03-06
Abstract
No abstract record available.
Inventors
- 👤 Yoichi Okada
- 👤 Tsutomu Watanabe
- 👤 Koji Hirai
- 👤 Kazutoshi Fujii
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:39
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08L; C08L71/00; C08L71/08; C08L71/10; C08L71/12; C08L71/126; C09; C09J; C09J171/00; C09J171/08; C09J171/10; C09J171/12; C09J7/00; C09J7/10; Y; Y10; Y10S; Y10S522/00; Y10S522/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2845541A
Cited
US3146146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |