US3574031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of heat welding thermoplastic bodies using a stratum of susceptor material
Assignee: Individual
•
Filing: 1967-03-24
•
Granted: 1971-04-06
•
Expires: 1987-03-24
Abstract
Abstract THE PRESENT INVENTION RELATES GENERALLY TO IMPROVEMENTS IN THE ART OF HEAT WELDING OR SEALING THEMOPLASTIC MATERIALS, AND RELATES MORE PARTICULARLY TO AN IMPROVED METHOD OF SEALING THERMOPLASTICS THROUGH USE OF A MATERIAL CONTAINING A SUSCEPTOR WHICH IS UTILIZED TO GENERATE THE SEALING HEAT.
Inventors
- 👤 William C Heller Jr
- 👤 Alfred F Leatherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:32
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/04; B29C65/022; B29C65/14; B29C65/1403; B29C65/1412; B29C65/1425; B29C65/1429; B29C65/1432; B29C65/1435; B29C65/1454; B29C65/1458; B29C65/1477; B29C65/148; B29C65/1483; B29C65/16; B29C65/1629; B29C65/1632; B29C65/1635; B29C65/1654; B29C65/1658; B29C65/1677; B29C65/1683; B29C65/34; B29C65/3404; B29C65/3408; B29C65/3412; B29C65/3444; B29C65/36; B29C65/3604; B29C65/3608; B29C65/3612; B29C65/362; B29C65/3644; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/4855; B29C65/4865; B29C65/487; B29C65/4875; B29C65/50; B29C65/5057; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/23; B29C66/232; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/72; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/836; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0822; B29C2035/0838; B29C2035/0844; B29C2035/085; B29C2035/0855; B29C35/0866; B29C2035/0872; B29C2035/0877; B29C2035/0883; B29C65/3472; B29C65/3484; B29C65/366; B29C65/3672; B29C65/3676; B29C65/4885; B29C66/71; B29K; B29K2001/00; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/10; B29K2023/12; B29K2027/00; B29K2027/06; B29K2027/08; B29K2027/12; B29K2027/14; B29K2027/16; B29K2059/00; B29K2069/00; B29K2075/00; B29K2105/00; B29K2105/06; B29K2105/16; B29K2711/00; B29K2711/12; B29K2711/123; B29K2995/00; B29K2995/0018; B29K2995/0026; B29K2995/0027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |