Patent US3048169A successfully refreshed from Google Patents.
US3048169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming casts made with plastic foam material
Assignee: Dura-Design Plastics Ltd
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Filing: 1959-10-15
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Granted: 1962-08-07
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Expires: 1979-10-15
Abstract
No abstract record available.
Inventors
- 👤 Pierce Harry Feltus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:23
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
A SHEET MATERIAL FOR MAKING CASTS, SPLINTS AND THE LIKE COMPRISING A FLEXIBLE ENVELOPE SEALED ALONG ITS EDGES WITH THE EXCEPTION OF ONE EDGE TO FORM A MOUTH, SAID ENVELOPE BEING IMPERMEABLE TO REACTING PLASTIC RESINS TO BE INTRODUCED THEREIN, A PLASTIC SHEET FORMED BY THE REACTION OF A PREPOLYMER AND CATALYST CONFINED WITHIN THE ENVELOPE, SAID ENVELOPE AND SHEET BEING TRANSPARENT TO X-RAYS OF AN INTENSITY USED IN MEDICAL RADIOLOGY ON A BARE LIVING BODY AND BEING MOULDABLE TO SHAPE ON A LIVING BODY AT TEMPERATURES WHICH ARE NOT HARMFUL TO SAID BODY, AND AT LEAST ONE FLEXIBLE RE-INFORCING SHEET EMBEDDED IN THE PLASTIC SHEET.
References Cited (Backward Citations)
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Cited
US2613398A
Cited
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Cited
US2692596A
Cited
US2761443A
Cited
US2800129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |