US2640798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding
Assignee: Individual
•
Filing: 1951-02-27
•
Granted: 1953-06-02
•
Expires: 1971-02-27
Abstract
No abstract record available.
Inventors
- 👤 Langer Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:48
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/224; B29C65/226; B29C65/228; B29C65/229; B29C65/24; B29C65/30; B29C65/34; B29C65/3404; B29C65/3408; B29C65/3412; B29C65/3436; B29C65/3444; B29C65/3468; B29C65/44; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/21; B29C66/305; B29C66/40; B29C66/41; B29C66/43; B29C66/47; B29C66/472; B29C66/4722; B29C66/474; B29C66/69; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81431; B29C66/818; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/83417; B29C66/84; B29C66/845; B29C70/00; B29C70/68; B29C70/82; D; D05; D05B; D05B17/00; B29C65/3472; B29C65/3476; B29C65/38; B29C66/349; B29C66/3494; B29C66/74; B29C66/742; B29C66/7422; B29C66/7428; B29C66/74281; B29C66/74283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE METHOD OF HEAT SEALING LAYERS OF THERMOPLASTIC MATERIAL WHICH COMPRISES BRINGING REGIONS OF THE LAYERS TO BE HEAT SEALED INTO FACETO-FACE SUPERPOSED POSITION, PRESSING AN ELONGATED ELECTRICALLY CONDUCTING MEMBER AGAINST SAID REGION OF THE LAYERS, AND PASSING AN ELECTRIC CURRENT THROUGH SAID MEMBER TO CAUSE HEATING THEREOF AND OF THE REGION OF THE LAYERS IN CONTACT THEREWITH TO HEAT SEALING TEMPERATURES AND PERMANENT BONDING OF SAID MEMBER AND OF SAID
Claim 2
Independent Claim
71 words
THE METHOD OF HEAT SEALING LAYERS OF THERMOPLASTIC MATERIAL WHICH COMPRISES BRINGING REGIONS OF THE LAYERS TO BE HEAT SEALED INTO FACETO-FACE SUPERPOSED POSITION, PRESSING AN ELONGATED ELECTRICALLY CONDUCTING MEMBER AGAINST SAID REGION OF THE LAYERS, AND PASSING AN ELECTRIC CURRENT THROUGH SAID MEMBER TO CAUSE HEATING THEREOF AND OF THE REGION OF THE LAYERS IN CONTACT THEREWITH TO HEAT SEALING TEMPERATURES AND PERMANENT BONDING OF SAID MEMBER AND OF SAID
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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) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |