US3455768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for welding flat blanks of plastic or plastic-coated material onto plastic articles
Assignee: Windmoeller and Hoelscher KG
•
Filing: 1964-04-20
•
Granted: 1969-07-15
•
Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Willy Niemeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:14
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/78; B29C65/7841; B29C66/00; B29C66/40; B29C66/47; B29C66/472; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/83417; B29C69/00; B29C69/005; B29C69/006; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/1339; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1768; Y10T156/1771; Y10T156/1773
Claims Analysis
Total Claims: 0
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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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |