US3438825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying anti-skid agents to shaped plastic articles by spin-welding
Assignee: EIDP Inc
•
Filing: 1965-04-27
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Granted: 1969-04-15
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Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 William Edward Fidler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:01
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/47; B29C66/472; B29C65/00; B29C65/02; B29C65/06; B29C65/0672; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/70; B29C66/71; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C66/84; B29C66/861
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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |