US3393428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding apparatus having gate with cutoff
Assignee: Grayhill Moldtronics Inc
•
Filing: 1965-12-30
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Granted: 1968-07-23
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Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Kowalski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:04
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/28; B29C45/2806; B29C45/281; B29C2045/2813; Y; Y10; Y10S; Y10S425/00; Y10S425/229
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2558027A
Cited
US2637073A
Cited
US2770025A
Cited
US2770011A
Cited
US2828507A
Cited
FR1274579A
Cited
FR1311054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |