US2834395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for joining thermoplastic sheets
Assignee: Akzo Nobel UK PLC
•
Filing: 1954-12-10
•
Granted: 1958-05-13
•
Expires: 1974-12-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur O Russell
- 👤 Jones Michael Gravatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:53
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/00; B29C66/004; B29C66/0042; B29C66/0044; B29C66/01; B29C66/03; B29C66/034; B29C66/0342; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/116; B29C66/1162; B29C66/12; B29C66/122; B29C66/1226; B29C66/12261; B29C66/14; B29C66/347; B29C66/3472; B29C66/348; B29C66/349; B29C66/3494; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/818; B29C66/8181; B29C66/81811; B29C66/8182; B29C66/81821; B29C66/82; B29C66/822; B29C66/8221; B29C66/828; B29C66/8282; B29C66/83; B29C66/832; B29C66/8324; B29C66/003; B29C66/71; B29C66/812; B29C66/8122; B29C66/8124; B29C66/81241; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2027/00; B29K2027/06; B29K2027/08; B29K2031/00; B29K2031/04; B29K2077/00; B29K2101/00; B29K2101/12; B29K2105/00; B29K2105/0085
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |