US3458897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the automatic removal of ridges from the bottom of hollow objects formed of plastic materials
Assignee: Vypak Corp
•
Filing: 1966-06-01
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Granted: 1969-08-05
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Expires: 1986-06-01
Abstract
No abstract record available.
Inventors
- 👤 Asbroeck Van Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:44
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/50; Y; Y10; Y10S; Y10S83/00; Y10S83/914; Y10T; Y10T83/00; Y10T83/869; Y10T83/8776; Y10T83/8785; Y10T83/8786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |