Patent US3587144A successfully refreshed from Google Patents.
US3587144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-section mold with air pressure ejection ring
Assignee: Individual
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Filing: 1969-06-11
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Granted: 1971-06-28
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Expires: 1989-06-11
Abstract
Abstract APPARATUS FOR PRODUCING CLAY PIGEONS INCLUDES AN IMPROVED EJECTOR RING FOR EJECTING THE CLAY PIGEONS FROM A MOLD CAVITY. IN THE APPARATUS, THE EJECTOR RINGS IS BACKED UP RIGIDLY BY A SUPPORTING PLATE DURING NORMAL OPERATION AND IS THEN MOVED BY AIR PRESSURE TO EJECT OR STRIP THE CLAY PIGEON FROM AS ASSOCIATED MOLD OR DIE SECTION WHEN THE MOLD SECTIONS SEPARATE. THE AIR ALSO IS SUPPLIED BETWEEN THE MOLD SECTION AND THE CLAY PIGEON TO ELIMINATE ANY VACUUM AND FACILITATE EJECTION OF THE CLAY PIGEON.
Inventors
- 👤 Eli H Mechling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:56
CPC Classifications
F; F41; F41J; F41J9/00; F41J9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |