US3166459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for welding plastics
Assignee: Gebr Magerle Ag Firma
•
Filing: 1962-10-01
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Granted: 1965-01-19
•
Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Imhof Waltrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:13
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/224; B29C65/38; B29C66/01; B29C66/05; B29C66/20; B29C66/24; B29C66/242; B29C66/2422; B29C66/24221; B29C66/244; B29C66/2442; B29C66/81; B29C66/818; B29C66/8187; B29C66/81871; B29C66/90; B29C66/91; B29C66/914; B29C66/9161; B29C66/91641; B29C66/91643; B29C66/91645; B29C66/91651; B29C66/91655; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81421; B29C66/81422; B29C66/94; B29C66/949; B29C66/95; B29C66/959; B29C66/9592
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN APPARATUS FOR WELDING PLASTIC, PARTICULARLY ALONG CURVED LINES, COMPRISING A WELDING MEMBER ADAPTED TO CONTACT THE PLASTIC TO BE WELDED AND INCLUDING AS PART THEREOF AN ELECTRICAL CONDUCTOR HAVING AT LEAST FOUR CONTACTS SPACED ALONG THE LENGTH THEREOF, AT LEAST TWO CIRCUITS HAVING MEANS THEREIN FOR APPLYING POWER THERETO AND CONNECTED TO SAID CONTACTS SUCH THAT A LEAST A PART OF SAID ELECTIRCAL CONDUCTOR IS COMMON TO BOTH CIRCUITS, AND SWITCHING MEANS IN SAID CIRCUITS FOR ENERGIZING FIRST ONE CIRCUIT AND THEN THE OTHER CIRCUIT WHILE THE ONE CIRCUIT IS DEENERGIZED.
Claim 2
Independent Claim
92 words
AN APPARATUS FOR WELDING PLASTIC, PARTICULARLY ALONG CURVED LINES, COMPRISING A WELDING MEMBER ADAPTED TO CONTACT THE PLASTIC TO BE WELDED AND INCLUDING AS PART THEREOF AN ELECTRICAL CONDUCTOR HAVING AT LEAST FOUR CONTACTS SPACED ALONG THE LENGTH THEREOF, AT LEAST TWO CIRCUITS HAVING MEANS THEREIN FOR APPLYING POWER THERETO AND CONNECTED TO SAID CONTACTS SUCH THAT A LEAST A PART OF SAID ELECTIRCAL CONDUCTOR IS COMMON TO BOTH CIRCUITS, AND SWITCHING MEANS IN SAID CIRCUITS FOR ENERGIZING FIRST ONE CIRCUIT AND THEN THE OTHER CIRCUIT WHILE THE ONE CIRCUIT IS DEENERGIZED.
References Cited (Backward Citations)
US1236091A
Cited
US1282330A
Cited
US1988845A
Cited
US2623149A
Cited
US3112586A
Cited
US2902573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |