Patent US3084649A successfully refreshed from Google Patents.
US3084649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
De-soldering tip
Assignee: Unisys Corp
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Filing: 1960-10-31
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Granted: 1963-04-09
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Parstorfer John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:42
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/04; H05K13/0486; H05K13/0491
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A DE-SOLDERING TIP FOR SIMULTANEOUSLY DISCONNECTING A MULTIPLICITY OF SOLDERED LEAD WIRE TERMINALS OF AN ELECTRICAL COMPONENT, SAID LEAD WIRE TERMINLS EXTENDING THROUGH AND SOLDERED TO A PRINTED CIRCUIT BOARD AND SPACED APART IN A PREDETERMINED PATTERN, SAID DE-SOLDERING TIP COMPRISING A POLYGONALLY-SHAPED SOLID HEAD PORTION CONSTITUTING A PLURALITY OF FACES, MEANS CARRIED BY SAID HEAD PORTION FOR CONNECTION OF THE DE-SOLDERING TIP TO A HAND-TYPE SOLDERING IRON, A PLURALITY OF SPACED APART ELONGATED PASSAGES OF SUBSTANTIALLY UNIFORM CROSS SECTION THROUGHOUT THEIR LENGTHS EACH OPENING AT ONE END INTO ONE OF SAID FACES AND AT ITS OTHER END INTO ONE OF THE OTHER OF SAID FACES, THE PASSAGE OPENINGS IN SAID ONE OF SAID FACES BEING ARRANGED IN A PATTERN CORRESPONDING WITH SAID PREDETERMINED PATTERN OF SAID LEAD WIRE TERMINALS, AND A PLURALITY OF RECESSES FORMED IN SAID ONE OF SAID FACES EACH BETWEEN GROUPS OF THE ASSOCIATED PASSAGE OPENINGS, TO MINIMIZE HEAT TRANSFER TO SAID PRINTED CIRCUIT BOARD WHEN A HEATED SAID DE-SOLDERING TIP
Claim 2
Dependent Claim
165 words
A DE-SOLDERING TIP FOR SIMULTANEOUSLY DISCONNECTING A MULTIPLICITY OF SOLDERED LEAD WIRE TERMINALS OF AN ELECTRICAL COMPONENT, SAID LEAD WIRE TERMINLS EXTENDING THROUGH AND SOLDERED TO A PRINTED CIRCUIT BOARD AND SPACED APART IN A PREDETERMINED PATTERN, SAID DE-SOLDERING TIP COMPRISING A POLYGONALLY-SHAPED SOLID HEAD PORTION CONSTITUTING A PLURALITY OF FACES, MEANS CARRIED BY SAID HEAD PORTION FOR CONNECTION OF THE DE-SOLDERING TIP TO A HAND-TYPE SOLDERING IRON, A PLURALITY OF SPACED APART ELONGATED PASSAGES OF SUBSTANTIALLY UNIFORM CROSS SECTION THROUGHOUT THEIR LENGTHS EACH OPENING AT ONE END INTO ONE OF SAID FACES AND AT ITS OTHER END INTO ONE OF THE OTHER OF SAID FACES, THE PASSAGE OPENINGS IN SAID ONE OF SAID FACES BEING ARRANGED IN A PATTERN CORRESPONDING WITH SAID PREDETERMINED PATTERN OF SAID LEAD WIRE TERMINALS, AND A PLURALITY OF RECESSES FORMED IN SAID ONE OF SAID FACES EACH BETWEEN GROUPS OF THE ASSOCIATED PASSAGE OPENINGS, TO MINIMIZE HEAT TRANSFER TO SAID PRINTED CIRCUIT BOARD WHEN A HEATED SAID DE-SOLDERING TIP
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |