US3554846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction welding apparatus
Assignee: CYKLOP STRAPPING Corp A CORP OF
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Filing: 1968-03-21
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Granted: 1971-01-12
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Expires: 1988-03-21
Abstract
Abstract APPARATUS FOR FRICTION WELDING PLASTIC ARTICLES AND ESPECIALLY OVERLAPPING PORTIONS OF PLASTIC STRAPPNG COMPRISES MEANS FOR PRODUCING A RELATIVE ROTARY MOTION BETWEEN THE PARTS TO BE WELDED WHILE THEY ARE PRESSED TOGETHER. PROVISION IS MADE FOR STOPPING THE RELATIVE MOTION WITH THE PLASTIC PARTS ORIENTED IN THE SAME RELATIVE POSITIONS AT THE END OF THE WELDING OPERATION AS AT THE BEGINNING.
Inventors
- 👤 Ronald J Billett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:37
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/22; B65B51/222; B29; B29C; B29C65/00; B29C65/02; B29C65/06; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C66/4324; B29C66/49; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8226; B29C66/82265; B29C66/83; B29C66/832; B29C66/8322; B65B13/00; B65B13/18; B65B13/24; B65B13/32; B65B13/322
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |