Patent US3744639A successfully refreshed from Google Patents.
US3172382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desolder tool
Assignee: Boeing Co
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Filing: 1962-12-20
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Granted: 1965-03-09
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Weglin Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:37
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
424 words
A TOOL FOR MELTING AND REMOVING FUSIBLE MATERIAL COMPRISING A HANDLE; HEATING MEANS CARRIED BY SAID HANDLE; A METAL ADAPTED CARRIED BY SAID HEATING MEANS AND DISPOSED IN A HEAT CONDUCTIVE RELATIONSHIP TO SAID HEATING MEANS, SAID ADAPTER HAVING A PASSAGEWAY WITH AN OPENING AT THE END OPPOSITE THE END CARRIED BY SAID HEATING MEANS AND THE PASSAGEWAY EXTENDING PART WAY THROUGH SAID ADAPTER AND OUT THROUGH AN OPENING IN THE SIDE WALL OF SAID ADAPTER AT A PREDETERMINED DISTANCE FROM SAID END WITH AN OPENING; A SOLDERING TIP CARRIED BY SAID ADAPTER AND DISPOSED IN A HEAT CONDUCTIVE RELATIONSHIP TO SAID ADAPTER, SAID TIP HAVING A PASSAGEWAY EXTENDING THROUGH THE LENGTH OF SAID TIP WITH OPENINGS AT EACH END OF SAID TIP, SAID TIP BEING DISPOSED SO THAT THE PASSAGEWAY IN SAID TIP IS IN COMMUNICATION WITH THE PASSAGEWAY IN SAID ADAPTER; A HOLLOW METAL TUBE DISPOSED IN A FIXED AND HEAT CONDUCTIVE RELATIONSHIP WITH RESPECT TO SAID ADAPTER AT THE PASSAGEWAY OPENING IN THE WALL OF SAID ADAPTER AND EXTENDING AND DISPOSED IN A DIRECTION TOWARDS SAID HANDLE, SAID TUBE HAVING A PASSAGEWAY CAPABLE OF PERMITTING THE FLOW OF FLUID FUSIBLE MATERIAL THROUGH THE LENGTH OF SAID TUBE, WITH OPENINGS AT EACH END OF SAID TUBE, SAID TUBE BEING DISPOSED SO THAT THE PASSAGEWAY IN SAID TUBE IS IN COMMUNICATION WITH THE PASSAGEWAY IN SAID ADAPTER; A SMALL HOLLOW RUBBER BULB HAVING ONLY ONE OPENING, WHICH OPENING IS SO SIZED AS TO PERMIT SAID BULB TO FIT OVER THE END OF SAID TUBE FURTHEST FROM SAID ADAPTER, WHICH END OF SAID TUBE IS PROVIDED WITH MEANS TO HOLD AND RETAIN SAID BULB SO THAT THE HOLLOW INTERIOR OF SAID BULB IS IN COMMUNICATION WITH THE PASSAGEWAY IN SAID TUBE, SAID BULB BEING SO SIZED AND THE DIAMETER OF THE PASSAGEWAY IN SAID TIP BEING SUCH THAT THE VACUUM SUCTION CAPABILITIES OF SAID BULB WILL BE NO GREATER THAN THAT NECESSARY TO DRAW FUSIBLE MATERIAL THROUGH THE PASSAGEWAYS OF SAID TIP AND SAID ADAPTER AND ANLY PART WAY INTO THE PASSAGEWAY OF SAID TUBE; WHEREBY THE TOOL HAS A CLEAR AND UNIMPEDED PASSAGEWAY EXTENDING FROM THE OPEN END OF SAID TIP FURTHEST FROM SAID BULB THROUGH SAID TIP AND THROUGH SAID ADAPTER AND THROUGH SAID TUBE INTO SAID BULB THUS PERMITTING AIR TO BE EXHAUSTED FROM SAID BULB THROUGH SAID UNIMPEDED PASSAGEWAY WHEN THE BULB IS SQUEEZED AND A REVERSE VACUUM SUCTION ACTION TO BE CREATED THROUGH SAID UNIMPEDED PASSAGEWAY WHEN THE PRESSURE APPLIED TO SAID BULB BY SAID SQUEEZING ACTION IS RELEASED.
Claim 2
Dependent Claim
424 words
A TOOL FOR MELTING AND REMOVING FUSIBLE MATERIAL COMPRISING A HANDLE; HEATING MEANS CARRIED BY SAID HANDLE; A METAL ADAPTED CARRIED BY SAID HEATING MEANS AND DISPOSED IN A HEAT CONDUCTIVE RELATIONSHIP TO SAID HEATING MEANS, SAID ADAPTER HAVING A PASSAGEWAY WITH AN OPENING AT THE END OPPOSITE THE END CARRIED BY SAID HEATING MEANS AND THE PASSAGEWAY EXTENDING PART WAY THROUGH SAID ADAPTER AND OUT THROUGH AN OPENING IN THE SIDE WALL OF SAID ADAPTER AT A PREDETERMINED DISTANCE FROM SAID END WITH AN OPENING; A SOLDERING TIP CARRIED BY SAID ADAPTER AND DISPOSED IN A HEAT CONDUCTIVE RELATIONSHIP TO SAID ADAPTER, SAID TIP HAVING A PASSAGEWAY EXTENDING THROUGH THE LENGTH OF SAID TIP WITH OPENINGS AT EACH END OF SAID TIP, SAID TIP BEING DISPOSED SO THAT THE PASSAGEWAY IN SAID TIP IS IN COMMUNICATION WITH THE PASSAGEWAY IN SAID ADAPTER; A HOLLOW METAL TUBE DISPOSED IN A FIXED AND HEAT CONDUCTIVE RELATIONSHIP WITH RESPECT TO SAID ADAPTER AT THE PASSAGEWAY OPENING IN THE WALL OF SAID ADAPTER AND EXTENDING AND DISPOSED IN A DIRECTION TOWARDS SAID HANDLE, SAID TUBE HAVING A PASSAGEWAY CAPABLE OF PERMITTING THE FLOW OF FLUID FUSIBLE MATERIAL THROUGH THE LENGTH OF SAID TUBE, WITH OPENINGS AT EACH END OF SAID TUBE, SAID TUBE BEING DISPOSED SO THAT THE PASSAGEWAY IN SAID TUBE IS IN COMMUNICATION WITH THE PASSAGEWAY IN SAID ADAPTER; A SMALL HOLLOW RUBBER BULB HAVING ONLY ONE OPENING, WHICH OPENING IS SO SIZED AS TO PERMIT SAID BULB TO FIT OVER THE END OF SAID TUBE FURTHEST FROM SAID ADAPTER, WHICH END OF SAID TUBE IS PROVIDED WITH MEANS TO HOLD AND RETAIN SAID BULB SO THAT THE HOLLOW INTERIOR OF SAID BULB IS IN COMMUNICATION WITH THE PASSAGEWAY IN SAID TUBE, SAID BULB BEING SO SIZED AND THE DIAMETER OF THE PASSAGEWAY IN SAID TIP BEING SUCH THAT THE VACUUM SUCTION CAPABILITIES OF SAID BULB WILL BE NO GREATER THAN THAT NECESSARY TO DRAW FUSIBLE MATERIAL THROUGH THE PASSAGEWAYS OF SAID TIP AND SAID ADAPTER AND ANLY PART WAY INTO THE PASSAGEWAY OF SAID TUBE; WHEREBY THE TOOL HAS A CLEAR AND UNIMPEDED PASSAGEWAY EXTENDING FROM THE OPEN END OF SAID TIP FURTHEST FROM SAID BULB THROUGH SAID TIP AND THROUGH SAID ADAPTER AND THROUGH SAID TUBE INTO SAID BULB THUS PERMITTING AIR TO BE EXHAUSTED FROM SAID BULB THROUGH SAID UNIMPEDED PASSAGEWAY WHEN THE BULB IS SQUEEZED AND A REVERSE VACUUM SUCTION ACTION TO BE CREATED THROUGH SAID UNIMPEDED PASSAGEWAY WHEN THE PRESSURE APPLIED TO SAID BULB BY SAID SQUEEZING ACTION IS RELEASED.
References Cited (Backward Citations)
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Cited
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GB181042A
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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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |