US3174196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for control slide of core and mold making machine
Assignee: Individual
•
Filing: 1963-03-21
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Granted: 1965-03-23
•
Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 Hansberg Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:17
CPC Classifications
B; B22; B22C; B22C15/00; B22C15/28; B22C15/23; B22C15/24; B22C7/00; B22C7/06; B22C7/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A MACHINE FOR INVESTING MOLD AND CORE BOXES WITH A SLURRY, SAID MACHINE COMPRISING A SUPPLY CONTAINER FOR SLURRY OPEN AT ITS TOP, PRESSURE AIR OPERATED MEANS FOR EXPELLING SLURRY FROM SAID CONTAINER AND INTO BOXES TO BE INVESTED, A FEED CONTROL SLIDE SLIDABLE INTO AND OUT OF A POSITION CLOSING SAID SUPPLY CONTAINER, AND STATIONARY ROLLING GUIDE MEANS GUIDING AND SUPPORTING SAID SLIDE WHEN AND WHILE SLIDING INTO AND OUT OF SAID POSITION, SAID GUIDE MEANS INCLUDING ROLLERS HAVING HORIZONTALLY DISPOSED SURFACES SUPPORTING SAID SLIDE AND BEING ROTATABLE ABOUT VERTICAL AXES.
Claim 2
Dependent Claim
92 words
A MACHINE FOR INVESTING MOLD AND CORE BOXES WITH A SLURRY, SAID MACHINE COMPRISING A SUPPLY CONTAINER FOR SLURRY OPEN AT ITS TOP, PRESSURE AIR OPERATED MEANS FOR EXPELLING SLURRY FROM SAID CONTAINER AND INTO BOXES TO BE INVESTED, A FEED CONTROL SLIDE SLIDABLE INTO AND OUT OF A POSITION CLOSING SAID SUPPLY CONTAINER, AND STATIONARY ROLLING GUIDE MEANS GUIDING AND SUPPORTING SAID SLIDE WHEN AND WHILE SLIDING INTO AND OUT OF SAID POSITION, SAID GUIDE MEANS INCLUDING ROLLERS HAVING HORIZONTALLY DISPOSED SURFACES SUPPORTING SAID SLIDE AND BEING ROTATABLE ABOUT VERTICAL AXES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |