US3547761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruded sheet material
Assignee: Individual
•
Filing: 1967-12-29
•
Granted: 1970-12-15
•
Expires: 1987-12-29
Abstract
No abstract record available.
Inventors
- 👤 Ole-Bendt Rasmussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:31
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29C70/14; B29C48/00; B29C48/03; B29C48/09; B29C48/10; B29C48/16; B29C48/18; B29C48/19; B29C48/20; B29C48/21; B29C67/00; B29C67/0003; B29C70/02; B29C70/021; B29C70/025; B29C48/001; B29C48/0018; B29C48/15; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/24; Y10T428/24132; Y10T428/24752; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434157A
Cited
US1675642A
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US2371349A
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US2618019A
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US2879547A
Cited
US3101848A
Cited
US3236373A
Cited
US3481663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |