Patent US3623926A successfully refreshed from Google Patents.
US3623926A
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Ultrasonic method and apparatus for assembly of thermoplastic members
Assignee: Ultrasonic Systems Inc
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Filing: 1969-03-26
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Granted: 1971-11-30
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Expires: 1989-03-26
Abstract
Abstract A METHOD AND MEANS FOR CONTINUOUSLY SEALING OF MEMBERS TOGETHER SUCH AS MEMBERS MADE OF PLASTIC WHEREIN THERE IS PROVIDED AN AUTOMATIC FEEDER SYSTEM AND A NESTED ROTATING HORN WHICH PRODUCES OR PROVIDES ULTRASONIC ENERGY OR KINETIC ENERGY IN THE FORM OF SHEAR WAVES SO THAT THE VIBRATION DIRECTION OF THE HORN IS IN SHEAR.
Inventors
- 👤 Thomas B Sager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:15
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/08; B29C65/081; B29C65/78; B29C65/7858; B29C65/7879; B29C65/7882; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C66/542; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81431; B29C66/8145; B29C66/81463; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/84; B29C66/843; B29C66/8432; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29L; B29L2031/00; B29L2031/725; B29L2031/7252
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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |