Patent US2824031A successfully refreshed from Google Patents.
US2824031A
Expired / Lapsed
US
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Dip process for forming transparent surface conversion coatings on zinc, and compositions for dip solutions
Assignee: Primerica Inc
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Filing: 1954-04-20
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Granted: 1958-02-18
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Expires: 1974-04-20
Abstract
No abstract record available.
Inventors
- 👤 Jesse E Stareck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:55
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/24; C23C22/26; C23C22/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A PROCESS OF COATING ZINC SURFACES WHICH COMPRISES IMMERSING A ZINC-SURFACED MATERIAL IN AN AQUEOUS SOLUTION OF A PLURALITY OF COMPOUNDS WHICH PROVIDE THE SUBSTANCES, AND THE AMOUNTS OF SAID SUBSTANCES, HEREINAFTER DESCRIBED, SAID COMPOUNDS BEING SELECTED FROM THE GROUP CONSISTING OF SALTS AND ACIDS, THE ENTIRE AMOUNT OF ONE OF SAID SUBSTANCES BEING PROVIDED BY AT LEAST ONE SALT, SAID SOLUTION CONSISTING ESSENTIALLY OF THE FOLLOWING SAID SUBSTANCES DISSOLVED THEREIN IN THE FOLLOWING AMOUNTS:
Claim 2
Dependent Claim
75 words
A PROCESS OF COATING ZINC SURFACES WHICH COMPRISES IMMERSING A ZINC-SURFACED MATERIAL IN AN AQUEOUS SOLUTION OF A PLURALITY OF COMPOUNDS WHICH PROVIDE THE SUBSTANCES, AND THE AMOUNTS OF SAID SUBSTANCES, HEREINAFTER DESCRIBED, SAID COMPOUNDS BEING SELECTED FROM THE GROUP CONSISTING OF SALTS AND ACIDS, THE ENTIRE AMOUNT OF ONE OF SAID SUBSTANCES BEING PROVIDED BY AT LEAST ONE SALT, SAID SOLUTION CONSISTING ESSENTIALLY OF THE FOLLOWING SAID SUBSTANCES DISSOLVED THEREIN IN THE FOLLOWING AMOUNTS:
References Cited (Backward Citations)
US2497905A
Cited
US2628925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |