US2722487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating metallic surfaces
Assignee: Hercules Powder Co
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Filing: 1954-09-02
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Granted: 1955-11-01
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Expires: 1974-09-02
Abstract
No abstract record available.
Inventors
- 👤 Frank H Mctigue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:12
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE PROCESS OF COATING METALLIC SURFACES WITH A COATING COMPOSITION COMPRISING A POLYMER OF 3,3-BIS(CHLOROMETHYL)OXETANE, HAVING A SPECIFIC VISCOSITY OF AT LEAST ABOUT 0.3, WHEN MEASURED AS A 1% SOLUTION OF SAID POLYMER IN CYCLOHEXANONE AT 50* C., WHICH COMPRISES APPLYING SAID COATING COMPOSITION TO THE METALLIC SURFACE, HEATING THE COATING TO A TEMPERATURE ABOVE THE SOFTENING POINT OF SAID POLYMER, AND QUENCHING THE COATING IN AN AQUEOUS MEDIUM TO A TEMPERATURE OF FROM ABOUT 0*C.TO ABOUT 30* C.
Claim 2
Dependent Claim
79 words
THE PROCESS OF COATING METALLIC SURFACES WITH A COATING COMPOSITION COMPRISING A POLYMER OF 3,3-BIS(CHLOROMETHYL)OXETANE, HAVING A SPECIFIC VISCOSITY OF AT LEAST ABOUT 0.3, WHEN MEASURED AS A 1% SOLUTION OF SAID POLYMER IN CYCLOHEXANONE AT 50* C., WHICH COMPRISES APPLYING SAID COATING COMPOSITION TO THE METALLIC SURFACE, HEATING THE COATING TO A TEMPERATURE ABOVE THE SOFTENING POINT OF SAID POLYMER, AND QUENCHING THE COATING IN AN AQUEOUS MEDIUM TO A TEMPERATURE OF FROM ABOUT 0*C.TO ABOUT 30* C.
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) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |