US3464091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding machine
Assignee: ECKERT und ZIEGLER GMBH
•
Filing: 1966-09-08
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Granted: 1969-09-02
•
Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Bernd Bielfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:44
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29C45/07; B29C45/076; B29C45/04; B29C45/0408; Y; Y10; Y10S; Y10S425/00; Y10S425/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2533468A
Cited
DE904463C
Cited
DE973315C
Cited
FR1277268A
Cited
US3205536A
Cited
US3226770A
Cited
US3266086A
Cited
FR1380689A
Cited
FR1380690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |