US3028052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold-filling device
Assignee: Individual
•
Filing: 1959-06-01
•
Granted: 1962-04-03
•
Expires: 1979-06-01
Abstract
No abstract record available.
Inventors
- 👤 John E Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:41
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/2448; B; B01; B01F; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; B01F33/50112; B01F35/00; B01F35/71; B01F35/713; B01F35/7137; B01F35/716; B01F35/7161; B01F35/717; B01F35/7174
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733836A
Cited
US2675804A
Cited
US2597715A
Cited
US2571653A
Cited
US2607344A
Cited
US2841145A
Cited
US2874694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |