US3584338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing excess material from the open end of hollow objects having relatively large openings
Assignee: Individual
•
Filing: 1968-10-03
•
Granted: 1971-06-15
•
Expires: 1988-10-03
Abstract
Abstract THIS INVENTION RELATES TO METHOD AND APPARATUS FOR REMOVING THE EXCESS MATERIAL FROM THE OPEN END OF HOLLOW OBJECTS HAVING RELATIVELY LARGE OPENINGS AND MADE FROM THERMOPLASTIC MATERIAL IN A BLOW-MOULDING PROCESS, BY CUTTING OFF SUCH EXCESS MATERIAL BY MEANS ACTING FROM THE INSIDE OF THE CONTAINER OUTWARD AGAINST THE INTERIOR WALLS OF THE BLOWING MOULD.
Inventors
- 👤 Stefan Fischer
- 👤 Rainer Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:31
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |