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US3523932A
Expired / Lapsed
US
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Thermoplastic composition
Assignee: CHEM Y
•
Filing: 1966-12-30
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Granted: 1970-08-11
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Expires: 1986-12-30
Abstract
No abstract record available.
Inventors
- 👤 Johan G Aalbers
- 👤 Johannes C Zwaneveld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:12
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/02; D01F6/04; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/044; C08L; C08L23/00; C08L23/02; D01F1/00; D01F1/02; D01F1/09; D01F6/28; D01F6/30; C08J2471/00; Y; Y10; Y10S; Y10S524/00; Y10S524/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2556045A
Cited
US3190763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |