US2765153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and means for handling plastic masses
Assignee: Individual
•
Filing: 1952-11-12
•
Granted: 1956-10-02
•
Expires: 1972-11-12
Abstract
No abstract record available.
Inventors
- 👤 Gielow Christian
- 👤 Hagen Hans Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:42
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/20; B28B3/205; B29; B29C; B29C48/00; B29C48/03; B29C48/14; B29C48/25; B29C48/36; B29C48/395; B29C48/50; B29C48/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2093898A
Cited
US2185540A
Cited
US2578505A
Cited
US2585103A
Cited
US2620894A
Cited
US2611589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |