US2433654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding machine
Assignee: WATSON STILLMAN CO
•
Filing: 1944-05-04
•
Granted: 1947-12-30
•
Expires: 1964-05-04
Abstract
No abstract record available.
Inventors
- 👤 Richard W Dinzl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:19
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29C45/04; B29C45/0408; B29C45/0416; B29C45/17; B29C45/70; B29C45/706; B29C45/1761; B29C2045/1768
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US840877A
Cited
US1993942A
Cited
US2067265A
Cited
GB489944A
Cited
US2262615A
Cited
US2333601A
Cited
US2327227A
Cited
US2351454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |