US3070004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealing of thermoplastic materials
Assignee: John Waddington Ltd
•
Filing: 1960-12-27
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Granted: 1962-12-25
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Dodsworth Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:20
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/14; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/004; B29C66/0042; B29C66/0044; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5346; B29C66/53461; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/818; B29C66/83; B29C66/832; B29C66/8322; B29K; B29K2995/00; B29K2995/0037; B29K2995/0072; B29K2995/0073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2425388A
Cited
US2638964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |