US3810799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing polyethylene parts for ultrasonic welding
Assignee: KM Kabelmetal AG
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Filing: 1972-04-05
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Granted: 1974-05-14
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Expires: 1992-04-05
Abstract
Abstract METHOD OF MAKING PLASTIC COMPONENTS, EXTRUDING A MIXTURE OF 100 PARTS PE AND OF 20 TO 70 PARTS CHALK AND JOINING THE EXTRUDED PARTS BY MEANS OF ULTRASONIC ENERGY.
Inventors
- 👤 H Rager
- 👤 H Rohrig
- 👤 A Hirschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:43
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/46; H01R13/502; H01R13/504; B; B29; B29C; B29C65/00; B29C65/02; B29C65/08; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C66/70; B29C66/71; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; C; C08; C08K; C08K3/00; C08K3/18; C08K3/24; C08K3/26; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29L; B29L2031/00; B29L2031/30; B29L2031/3055; B29L2031/3061; B29L2031/34; B29L2031/36
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) | 1977-05-13 | 1977-11-12 | 1978-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-13 | 1981-11-12 | 1982-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-13 | 1985-11-12 | 1986-05-14 | $7700.00 | Window Closed / Lapsed |