Patent US3316901A successfully refreshed from Google Patents.
US3316901A
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Plaster of paris bandage
Assignee: Individual
•
Filing: 1965-05-17
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Granted: 1967-05-02
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Expires: 1985-05-17
Abstract
No abstract record available.
Inventors
- 👤 David F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:48
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/04; A61L; A61L15/00; A61L15/07; A61L15/08; C; C04; C04B; C04B22/00; C04B22/08; C04B22/14; C04B22/142; C04B28/00; C04B28/14; C04B2103/00; C04B2103/10; C04B2103/12; C04B2103/20; C04B2103/22; C04B2111/00; C04B2111/00474; C04B2111/00836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A DRY, SETTABLE PLASTER OF PARIS BANDAGE COMPRISING A FLEXIBLE BACKING MATERIAL SUBSTANTIALLY UNIFORMLY COATED WITH A SUBSTANTIALLY UNIFORM MIXTURE OF: (1) POWDERED PLASTER OF PARIS IN MAJOR PROPORTION (2) A MINOR PROPORTION OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF BORIC ACID IN AMOUNT FROM ABOUT 0.25 TO ABOUT 3% OF THE WEIGHT OF PLASTER OF PARIS AND CASEIN IN AMOUNT FROM ABOUT 0.1 TO ABOUT 2% OF THE WEIGHT OF THE PLASTER OF PARIS AND (3) ZINC SULFATE IN AMOUNT FROM ABOUT 0.1 TO ABOUT 2.5% OF THE WEIGHT OF THE PLASTER OF PARIS; SAID MATERIAL SELECTED BEING IN SMALL PART COMBINED WITH AMMONIA IN THE FORM OF A SALT AND SAID ZINC SULFATE BEING PRESENT IN AMOUNT SUFFICIENT TO SIGNIFICANTLY REDUCE THE RETARDING EFFECT OF SAID SALT.
Claim 2
Dependent Claim
131 words
A DRY, SETTABLE PLASTER OF PARIS BANDAGE COMPRISING A FLEXIBLE BACKING MATERIAL SUBSTANTIALLY UNIFORMLY COATED WITH A SUBSTANTIALLY UNIFORM MIXTURE OF: (1) POWDERED PLASTER OF PARIS IN MAJOR PROPORTION (2) A MINOR PROPORTION OF A MATERIAL SELECTED FROM THE CLASS CONSISTING OF BORIC ACID IN AMOUNT FROM ABOUT 0.25 TO ABOUT 3% OF THE WEIGHT OF PLASTER OF PARIS AND CASEIN IN AMOUNT FROM ABOUT 0.1 TO ABOUT 2% OF THE WEIGHT OF THE PLASTER OF PARIS AND (3) ZINC SULFATE IN AMOUNT FROM ABOUT 0.1 TO ABOUT 2.5% OF THE WEIGHT OF THE PLASTER OF PARIS; SAID MATERIAL SELECTED BEING IN SMALL PART COMBINED WITH AMMONIA IN THE FORM OF A SALT AND SAID ZINC SULFATE BEING PRESENT IN AMOUNT SUFFICIENT TO SIGNIFICANTLY REDUCE THE RETARDING EFFECT OF SAID SALT.
References Cited (Backward Citations)
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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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |