US3049757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding machine
Assignee: FMC Corp
•
Filing: 1960-05-03
•
Granted: 1962-08-21
•
Expires: 1980-05-03
Abstract
No abstract record available.
Inventors
- 👤 John G Hagerborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:29
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/70; B29C45/706; B29C45/03; B29C45/12; B29C45/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19000E
Cited
GB551468A
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US2480313A
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GB675652A
Cited
US2582029A
Cited
US2680883A
Cited
US2828509A
Cited
US2801613A
Cited
US2804649A
Cited
US2988778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |