US2985926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foundry mold and flask handling apparatus
Assignee: Individual
•
Filing: 1957-05-02
•
Granted: 1961-05-30
•
Expires: 1977-05-02
Abstract
No abstract record available.
Inventors
- 👤 Harrison E Fellows
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:39
CPC Classifications
B; B22; B22D; B22D33/00; B22D33/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1343335A
Cited
US1545420A
Cited
US2651087A
Cited
US2535656A
Cited
US2525572A
Cited
US2559647A
Cited
US2642307A
Cited
US2648562A
Cited
US2640234A
Cited
US2622915A
Cited
US2767865A
Cited
US2726429A
Cited
US2718679A
Cited
US2680270A
Cited
US2686945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |