US2859153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the high-frequency welding of cellular bodies of thermoplastic materials
Assignee: Individual
•
Filing: 1955-06-28
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Granted: 1958-11-04
•
Expires: 1975-06-28
Abstract
No abstract record available.
Inventors
- 👤 Zucht Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:45
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; B; B29; B29C; B29C65/00; B29C65/02; B29C65/04; B29C65/48; B29C65/4855; B29C66/00; B29C66/01; B29C66/02; B29C66/026; B29C66/70; B29C66/71; B29C66/72; B29C66/727; B29C35/00; B29C35/02; B29C35/12; B29K; B29K2105/00; B29K2105/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE PROCESS FOR THE HIGH-FREQUENCY WELDING OF CELLULAR BODIES OF THERMOPLASTIC MATERIALS, WHICH COMPRISES PROVIDING THE SURFACES TO BE WELDED WITH A THIN LAYER OF A NON-VOLALITE SUBSTANCE HAVING A HIGH DIELECTRIC CONSTANT WITH A DIPOLE MOMENT BETWEEN 1 TO 4, PLACING THE SURFACES TO BE WELDED ONE AGAINST THE OTHER AND APPLYING THE ELECTRODES ALONG THE WELD SEAM ON BOTH SIDES WITHOUT EXERTING ANY SUBSTANTIAL PRESSURE ON THE MATERIAL BEING WELDED.
Claim 2
Dependent Claim
72 words
THE PROCESS FOR THE HIGH-FREQUENCY WELDING OF CELLULAR BODIES OF THERMOPLASTIC MATERIALS, WHICH COMPRISES PROVIDING THE SURFACES TO BE WELDED WITH A THIN LAYER OF A NON-VOLALITE SUBSTANCE HAVING A HIGH DIELECTRIC CONSTANT WITH A DIPOLE MOMENT BETWEEN 1 TO 4, PLACING THE SURFACES TO BE WELDED ONE AGAINST THE OTHER AND APPLYING THE ELECTRODES ALONG THE WELD SEAM ON BOTH SIDES WITHOUT EXERTING ANY SUBSTANTIAL PRESSURE ON THE MATERIAL BEING WELDED.
References Cited (Backward Citations)
US2721600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |