US3490971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamable layer and method of applying same to substrate
Assignee: Casco Adhesives AB
•
Filing: 1965-09-03
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Granted: 1970-01-20
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Harold A Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:28
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/20; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/1438; Y10T428/249921; Y10T428/249953; Y10T428/249954; Y10T428/249987; Y10T428/24999; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31855; Y10T428/3188; Y10T428/31895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123508A
Cited
US2964799A
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US3173826A
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GB946365A
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US3158529A
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US3262827A
Cited
US3341481A
Cited
US3411967A
Cited
US3293094A
Cited
US5128262A
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 |