US3364522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic extrusion machine
Assignee: Produits Chimiques Pechiney Saint Gobain
•
Filing: 1966-05-11
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Granted: 1968-01-23
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Expires: 1986-05-11
Abstract
No abstract record available.
Inventors
- 👤 Ledoux Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:55
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/06; B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/47; B29C48/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3046603A
Cited
US3000618A
Cited
US3256568A
Cited
US3253300A
Cited
US3310835A
Cited
US3277528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |