US3180718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for analyzing movement of glass forming plungers
Assignee: OI Glass Inc
•
Filing: 1961-07-03
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Granted: 1965-04-27
•
Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Donald F Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:58
CPC Classifications
C; C03; C03B; C03B9/00; C03B9/13; C03B9/193; C03B9/1932; C03B9/1938; C03B9/1934; C03B9/1936; C03B9/30; C03B9/40; C03B9/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN APPARATUS FOR ANALYZING THE OMVEMENT OF A GLASS FORMING PLUNGER WHICH COMPRISES A GLASS FORMING PLUNGER, A PISTON MOTOR COMPRISING A CYLINDER, A PISTON, MEANS OPERATIVELY CONNECTING SAID PLUNGER TO SAID PISTON FOR MOVING SAID PLUNGER INTO AND OUT OF A MOLD, A HOLLOW PISTON ROD OF METALLIC MATERIAL FIXED TO SAID PISTON, A RELATIVELY FIXED MEMBER OF ELECTRICAL INSULATING MATERIAL PROJECTING INTO FIXED MEMBER PROVIDING A SEAL WITH THE INTERIOR WALL OF SAID ROD, SAID MEMBER BEING HOLLOW SO THAT COOLING AIR CAN BE SUPPLIED THROUGH SAID MEMBER TO THE INTERIOR OF SAID ROD, A WIRE WINDING WOUND AROUND SAID MEMBER, WHEREBY THE CHANGE IN POSITION OF SAID PLUNGER CAUSES THE METALLIC PISTON ROD TO CHANGE N POSITION RELATIVE TO THE
Claim 2
Independent Claim
123 words
AN APPARATUS FOR ANALYZING THE OMVEMENT OF A GLASS FORMING PLUNGER WHICH COMPRISES A GLASS FORMING PLUNGER, A PISTON MOTOR COMPRISING A CYLINDER, A PISTON, MEANS OPERATIVELY CONNECTING SAID PLUNGER TO SAID PISTON FOR MOVING SAID PLUNGER INTO AND OUT OF A MOLD, A HOLLOW PISTON ROD OF METALLIC MATERIAL FIXED TO SAID PISTON, A RELATIVELY FIXED MEMBER OF ELECTRICAL INSULATING MATERIAL PROJECTING INTO FIXED MEMBER PROVIDING A SEAL WITH THE INTERIOR WALL OF SAID ROD, SAID MEMBER BEING HOLLOW SO THAT COOLING AIR CAN BE SUPPLIED THROUGH SAID MEMBER TO THE INTERIOR OF SAID ROD, A WIRE WINDING WOUND AROUND SAID MEMBER, WHEREBY THE CHANGE IN POSITION OF SAID PLUNGER CAUSES THE METALLIC PISTON ROD TO CHANGE N POSITION RELATIVE TO THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |