US2640796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding
Assignee: Individual
•
Filing: 1952-03-26
•
Granted: 1953-06-02
•
Expires: 1972-03-26
Abstract
No abstract record available.
Inventors
- 👤 Langer Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:40
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C65/00; B29C65/02; B29C65/04; B29C65/34; B29C65/3404; B29C65/342; B29C65/36; B29C65/3604; B29C65/3608; B29C65/3612; B29C65/362; B29C65/3636; B29C65/3644; B29C65/366; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/50; B29C65/5007; B29C65/5035; B29C65/5092; B29C66/00; B29C66/01; B29C66/02; B29C66/024; B29C66/0242; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/305; B29C66/40; B29C66/41; B29C66/43; B29C66/47; B29C66/472; B29C66/4722; B29C66/69; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/818; B29C66/8187; B29C66/81871; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/224; B29C65/228; B29C65/24; B29C65/30; B29C65/32; B29C65/344; B29C65/3444; B29C65/3472; B29C65/3484; B29C65/3488; B29C65/3496; B29C65/3668; B29C65/3672; B29C65/3676; B29C65/3684; B29C66/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
THE METHOD OF HEAT SEALING LAYERS OF THERMOPLASTIC MATERIAL WHICH COMPRISES BRINGING REGIONS OF THE LAYERS TO BE HEAT SEALED INTO FACE-TOFACE SUPERPOSED POSITION, PREHEATING AN ELONGATED MEMBER TO HEAT SEALING TEMPERATURE IN THE ABSENCE OF CONTACT WITH THE LAYERS TO BE SEALED, AND PRESSING SAID PREHEATED MEMBER AGAINST SAID REGIONS OF THE LAYERS TO CAUSE HEATING AND BONDING OF SAID MEMBER AND OF SAID LAYERS IN SUCH REGIONS.
Claim 2
Independent Claim
69 words
THE METHOD OF HEAT SEALING LAYERS OF THERMOPLASTIC MATERIAL WHICH COMPRISES BRINGING REGIONS OF THE LAYERS TO BE HEAT SEALED INTO FACE-TOFACE SUPERPOSED POSITION, PREHEATING AN ELONGATED MEMBER TO HEAT SEALING TEMPERATURE IN THE ABSENCE OF CONTACT WITH THE LAYERS TO BE SEALED, AND PRESSING SAID PREHEATED MEMBER AGAINST SAID REGIONS OF THE LAYERS TO CAUSE HEATING AND BONDING OF SAID MEMBER AND OF SAID LAYERS IN SUCH REGIONS.
References Cited (Backward Citations)
US2570921A
Cited
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 |