US3227637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding coatings
Assignee: Individual
•
Filing: 1965-06-03
•
Granted: 1966-01-04
•
Expires: 1985-06-03
Abstract
No abstract record available.
Inventors
- 👤 Hart Harold George De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:46
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
THE METHOD OF BONDING A RESIN COATING TO A METAL BASE COMPRISING PASSING AN ELECTRICAL CURRENT BETWEEN AN ANODE AND A SURFACE OF THE METAL BASE AS A CATHODE IN CLOSE PROXIMATELY TO EACH OTHER WITH AN ELECTROLYTE THEREBETWEEN, AND BRUSHING THE ELECTROLYTE WITH THE ANODE OVER THE CATHODE SURFACE THEREBY ELECTROPLATING ONTO THE SURFACE OF THE BASE A THIN LAYER FROM 0.1 MIL TO 0.15 MIL THICKNESS UNDER VOLTAGES BETWEEN 10 AND 15 VOLTS AND CURRENT DENSITIES OF FROM 200 TO 750 AMPERES PER SQ. FT. OF THE BASE SURFACE, HEATING THE ELECTROPLATED SURFACE TO A TEMPERATURE ABOVE THE MELTING POINT OF A RESIN POWDER MATERIAL, CONTACTING THE HEATED ELECTROPLATED SURFACE WITH THE RESIN POWDER MATERIAL AND THEREBY FUSION BONDING A RESIN COATING ONTO THE ELECTROPLATED SURFACE.
Claim 2
Independent Claim
128 words
THE METHOD OF BONDING A RESIN COATING TO A METAL BASE COMPRISING PASSING AN ELECTRICAL CURRENT BETWEEN AN ANODE AND A SURFACE OF THE METAL BASE AS A CATHODE IN CLOSE PROXIMATELY TO EACH OTHER WITH AN ELECTROLYTE THEREBETWEEN, AND BRUSHING THE ELECTROLYTE WITH THE ANODE OVER THE CATHODE SURFACE THEREBY ELECTROPLATING ONTO THE SURFACE OF THE BASE A THIN LAYER FROM 0.1 MIL TO 0.15 MIL THICKNESS UNDER VOLTAGES BETWEEN 10 AND 15 VOLTS AND CURRENT DENSITIES OF FROM 200 TO 750 AMPERES PER SQ. FT. OF THE BASE SURFACE, HEATING THE ELECTROPLATED SURFACE TO A TEMPERATURE ABOVE THE MELTING POINT OF A RESIN POWDER MATERIAL, CONTACTING THE HEATED ELECTROPLATED SURFACE WITH THE RESIN POWDER MATERIAL AND THEREBY FUSION BONDING A RESIN COATING ONTO THE ELECTROPLATED SURFACE.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |