US3401426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic injection molding machine
Assignee: New Britain Machine Co
•
Filing: 1966-05-31
•
Granted: 1968-09-17
•
Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 William B Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:14
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; B29C45/23; Y; Y10; Y10S; Y10S425/00; Y10S425/224; Y10S425/226
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2602189A
Cited
US2803854A
Cited
GB861911A
Cited
US3002229A
Cited
US3020591A
Cited
FR1383769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |