Patent US2469342A successfully refreshed from Google Patents.
US2469342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for molding plastics
Assignee: GROTELITE Co Inc
•
Filing: 1945-08-24
•
Granted: 1949-05-03
•
Expires: 1965-08-24
Abstract
No abstract record available.
Inventors
- 👤 Henry M Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/462; B29B; B29B11/00; B29B11/06; B29B11/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR516398A
Cited
US1865464A
Cited
US1944464A
Cited
US1997074A
Cited
GB427885A
Cited
US2338607A
Cited
US2398318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |