US3781390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous molding method
Assignee: Schlegel Manufacturing Co
•
Filing: 1972-07-19
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Granted: 1973-12-25
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Expires: 1992-07-19
Abstract
Abstract A CONTINUOUS FOAMED STRIP MOLDING METHOD USES TWO CONTINUOUS LENGTHS OF MOLD HALVES THAT SNAP-FIT TOGETHER TO HOLD THE FOAMED STRIP AND ARE FLEXIBLE ENOUGH TO BE DRIVEN IN A CURVED PATH WITH ONE MOLD HALF INSIDE THE OTHER FOR HIGH SPEED AND ADEQUATE CURE TIME IN RELATIVELY SMALL SPACE.
Inventors
- 👤 H Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:15
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/20; B29C44/30; B29C44/302
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |