US3505136A
Expired / Lapsed
US
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Method and apparatus for bonding thermoplastic sheet materials
Assignee: Union Special Machine Co
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Filing: 1966-09-19
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Granted: 1970-04-07
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Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 John G Attwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:30
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C65/00; B29C65/02; B29C65/04; B29C65/08; B29C65/081; B29C65/78; B29C65/7858; B29C65/7861; B29C65/787; B29C65/7873; B29C66/004; B29C66/0042; B29C66/0044; B29C66/00441; B29C66/02; B29C66/022; B29C66/0222; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/70; B29C66/73; B29C66/737; B29C66/7373; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81421; B29C66/81422; B29C66/816; B29C66/8161; B29C66/83; B29C66/834; B29C66/8341; B29C66/83421; B29C66/83423; B29C66/836; B29C66/84; B29C66/849; B65; B65B; B65B51/00; B65B51/10; B65B51/22; B65B51/225; B29C66/71; B29L; B29L2031/00; B29L2031/712; B29L2031/7128; Y; Y10; Y10S; Y10S220/00; Y10S220/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |