US3470199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of polyamide moldings
Assignee: BASF SE
•
Filing: 1965-10-06
•
Granted: 1969-09-30
•
Expires: 1985-10-06
Abstract
No abstract record available.
Inventors
- 👤 Hans Jung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:26
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/08; C08G69/14; C08G69/16; C08G69/18; B; B29; B29C; B29C41/00; B29C41/003; B29C41/02; B29C41/04; B29C41/042; B29K; B29K2077/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH156057A
Cited
US2454847A
Cited
US2887728A
Cited
US2930097A
Cited
FR1176037A
Cited
US3228759A
Cited
US3275733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |