US3207128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coating electrical articles
Assignee: AT&T Inc
•
Filing: 1962-04-27
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Granted: 1965-09-21
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Expires: 1982-04-27
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Leavitt
- 👤 David T Mchale
- 👤 Edward T Stocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:06
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/06; B23K3/0646; B23K3/0653; B23K2101/00; B23K2101/36; B23K2101/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN APPARATUS FOR COATING ELECTRICAL CIRCUITS OF WIRING BOARDS WITH SOLDER, COMPRISING: AN OPEN TOP HEATED TANK SUPPLIED WITH MOLTEN SOLDER TO A GIVEN LEVEL, MEANS FOR MAINTAINING A LAYER OF MOLTEN WAX ON TOP OF THE SOLDER, A CLOSED SYSTEM FOR CAUSING A FLOW OF A SOLDER STREAM, THE SYSTEM INCLUDING A COMPARTMENT, GREATER IN WIDTH THAN THE WIREING BOARDS AND MOUNTED IN THE TANK, AND HAVING PERIMETER WALLS WHICH EXTEND ABOVE THE LEVEL OF WAX, A DIFFUSION CHAMBER CONTAINED WITHIN THE COMPARTMENT AND HAVING AN OUTLET EXTENDING SUBSTANTIALLY THE FULL WIDTH OF THE COMPARTMENT PLATFORM EXTENDING SUBSTANTIALLY THE FULL WIDTH OF THE COMPARTMENT AND DISPOSED ABOVE THE LAYER OF WAX IN A FIRST HORIZONTAL PLANE,
Claim 2
Independent Claim
117 words
AN APPARATUS FOR COATING ELECTRICAL CIRCUITS OF WIRING BOARDS WITH SOLDER, COMPRISING: AN OPEN TOP HEATED TANK SUPPLIED WITH MOLTEN SOLDER TO A GIVEN LEVEL, MEANS FOR MAINTAINING A LAYER OF MOLTEN WAX ON TOP OF THE SOLDER, A CLOSED SYSTEM FOR CAUSING A FLOW OF A SOLDER STREAM, THE SYSTEM INCLUDING A COMPARTMENT, GREATER IN WIDTH THAN THE WIREING BOARDS AND MOUNTED IN THE TANK, AND HAVING PERIMETER WALLS WHICH EXTEND ABOVE THE LEVEL OF WAX, A DIFFUSION CHAMBER CONTAINED WITHIN THE COMPARTMENT AND HAVING AN OUTLET EXTENDING SUBSTANTIALLY THE FULL WIDTH OF THE COMPARTMENT PLATFORM EXTENDING SUBSTANTIALLY THE FULL WIDTH OF THE COMPARTMENT AND DISPOSED ABOVE THE LAYER OF WAX IN A FIRST HORIZONTAL PLANE,
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |