US3618293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for sealing containers with covers molder from synthetic plastic sheet
Assignee: Schweizerische Industrie Gesellschaft
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Filing: 1969-07-25
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Granted: 1971-11-09
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Expires: 1989-07-25
Abstract
Abstract THERMOPLASTIC SHEETING IS MOVED TO A FIRST WORK STATION AT WHICH A LENGTH OF THE SHEET IS MOLDED INTO CONVERS AND THEN TO A SECOND ADJACENT WORK STATION AT WHICH THE FILLED CONTAINERS ARE COVERED WITH THE FRESHLY MOLDED COVERS, WHICH HEATING ELEMENTS IMMEDIATELY WELD TO THE CONTAINERS.
Inventors
- 👤 Horst Loewenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:12
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/01; B65B7/16; B65B7/28; B65B7/2842; B65B7/2878
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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |