US3287772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
T-shaped external chill
Assignee: Amsted Industries Inc
•
Filing: 1964-05-08
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Granted: 1966-11-29
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Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Aloysius P Steinhauser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:20
CPC Classifications
B; B22; B22D; B22D15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN EXTERNAL CHILL WHICH COMPRISES AN ELONGATED METALLIC BODY OF SUBSTANTIALLY UNIFORM THICKNESS PRESENTING A CONVEX OUTER FACE WHICH IS CURVED TRANSVERSELY WITH RESPECT TO THE LENGTH OF SAID BODY AND AN ELONGATED METALLIC FIN EXTENDING IN A SUBSTANTIALLY RADIAL DIRECTION FROM THE CENTER OF THE FACE OF SAID BODY OPPOSITE SAID OUTER
Claim 2
Dependent Claim
53 words
AN EXTERNAL CHILL WHICH COMPRISES AN ELONGATED METALLIC BODY OF SUBSTANTIALLY UNIFORM THICKNESS PRESENTING A CONVEX OUTER FACE WHICH IS CURVED TRANSVERSELY WITH RESPECT TO THE LENGTH OF SAID BODY AND AN ELONGATED METALLIC FIN EXTENDING IN A SUBSTANTIALLY RADIAL DIRECTION FROM THE CENTER OF THE FACE OF SAID BODY OPPOSITE SAID OUTER
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |