Patent US3605217A successfully refreshed from Google Patents.
US3605217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pile extruder
Assignee: DIONIAN INDUSTRIES Ltd
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Filing: 1968-10-21
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Granted: 1971-09-20
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Expires: 1988-10-21
Abstract
Abstract A STAPLING ATTACHMENT IS SECURED UPON EACH SIDE OF A PILE EXTRUDING MACHINE SO THAT U-SHAPED REINFORCING STAPLES CAN BE INSERTED UPON EACH SIDE OF THE PILE AT SPACED INTERVALS THEREALONG, AS THE PILE IS BEING EXTRUDED. ALSO THE EXTRUDING MACHINE IS IN TWO PORTIONS, A POWER UNIT AND AN AGER UNIT THUS ENABLING THE RELATIVELY EXPENSIVE POWER UNIT TO BE USED ON DIFFERENT BEDS OR PALLETS.
Inventors
- 👤 Ernest Martens
- 👤 Adalbert Groll
- 👤 Frederick Maxwell Hewitt
- 👤 Ambros Leithner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:24
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/20; B28B3/22; B28B3/228; B28B1/00; B28B1/08; B28B1/084; B28B1/085; B28B23/00; B28B23/02; B28B23/18
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |