Patent US3248250A successfully refreshed from Google Patents.
US3248250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating and bonding composition
Assignee: Teleflex Inc
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Filing: 1963-06-28
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Granted: 1966-04-26
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenn A Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:03
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/73; C23C22/74; C04; C04B; C04B28/00; C04B28/34; C04B28/342; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A COATING AND BONDING COMPOSITION CONSISTING ESSENTIALLY OF A DISPERSION OF INORGANIC SOLID PARTICULATE MATERIAL HAVING A GRAIN SIZE LESS THAN 325 MESH IN AN AQUEOUS SOLUTION THE SOLUTE OF WHICH CONSISTS ESSENTIALLY OF A COMBINATION OF INORGANIC COMPOUNDS FROM THE GROUP CONSISTING OF PHOSPHORIC ACID, CHROMIC ACID, MOLYBDIC ACID AND THE METAL SALTS OF SAID ACIDS, THE COMBINATION OF SAID COMPOUNDS BEING SUCH AS WILL PROVIDE SAID SOLUTION AT LEAST .5 MOL PER LITER DISSOLVED PHOSPHATE, AT LEAST .3 MOL PER LITER DISSOLVED MATERIAL FROM THE GROUP CONSISTING OF CHROMATE, MOLYBDATE AND MIXTURES THEREOF, AND AT LEAST .2 MOL PER LITER DISSOLVED METAL, THE SOLID PARTICULATE MATERIAL BEING SUBSTANTIALLY INSOLUBLE IN SAID SOLUTION AND BEING PRESENT IN AN AMOUNT OF FROM 10 TO 2000 GRAMS PER LITER OF SAID SOLUTION, SAID COMPOSITION ADDITIONALLY HAVING ADDED THERETO FROM 1 TO 100 GRAMS PER LITER WATER-SOLUBLE ALKALI METAL SILICATE AND BEING HEAT CURABLE UPON DRYING THEREOF TO A SUBSTANTIALLY WATER INSOLUBLE MATERIAL WITH SAID SOLID PARTICULATE MATERIAL BEING BONDED THEREIN.
Claim 2
Dependent Claim
169 words
A COATING AND BONDING COMPOSITION CONSISTING ESSENTIALLY OF A DISPERSION OF INORGANIC SOLID PARTICULATE MATERIAL HAVING A GRAIN SIZE LESS THAN 325 MESH IN AN AQUEOUS SOLUTION THE SOLUTE OF WHICH CONSISTS ESSENTIALLY OF A COMBINATION OF INORGANIC COMPOUNDS FROM THE GROUP CONSISTING OF PHOSPHORIC ACID, CHROMIC ACID, MOLYBDIC ACID AND THE METAL SALTS OF SAID ACIDS, THE COMBINATION OF SAID COMPOUNDS BEING SUCH AS WILL PROVIDE SAID SOLUTION AT LEAST .5 MOL PER LITER DISSOLVED PHOSPHATE, AT LEAST .3 MOL PER LITER DISSOLVED MATERIAL FROM THE GROUP CONSISTING OF CHROMATE, MOLYBDATE AND MIXTURES THEREOF, AND AT LEAST .2 MOL PER LITER DISSOLVED METAL, THE SOLID PARTICULATE MATERIAL BEING SUBSTANTIALLY INSOLUBLE IN SAID SOLUTION AND BEING PRESENT IN AN AMOUNT OF FROM 10 TO 2000 GRAMS PER LITER OF SAID SOLUTION, SAID COMPOSITION ADDITIONALLY HAVING ADDED THERETO FROM 1 TO 100 GRAMS PER LITER WATER-SOLUBLE ALKALI METAL SILICATE AND BEING HEAT CURABLE UPON DRYING THEREOF TO A SUBSTANTIALLY WATER INSOLUBLE MATERIAL WITH SAID SOLID PARTICULATE MATERIAL BEING BONDED THEREIN.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |