US3141087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery powered electric soldering iron
Assignee: P Wall Manufacturing Co
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Filing: 1961-05-22
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Granted: 1964-07-14
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Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Schoenwald Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:03
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/03; B23K3/0323
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
216 words
A SOLDERING IRON COMPRISING A HOLLOW HANDLE FORMED FROM ELECTRICAL CONDUCTING MATERIAL, BATTERY MEANS CARRIED WITHIN SAID HANDLE AND HAVING POSITIVE AND NEGATIVE TERMINALS, A FIRST MEMBER OF ELECTRICAL CONDUCTING MATERIAL SECURED TO AND ELECTRICALLY CONNECTED TO THE TOP OF SAID HANDLE, A BORE EXTENDING THROUGH SAID FIRST MEMBER, AN ELECTRICAL CONDUCTOR EXTENDING THROUGH SAID BORE AND HAVING ONE END IN ENGAGEMENT WITH ONE OF SAID BATTERY TERMINALS, THE OTHER BATTERY TERMINAL BEING ELECTRICALLY CONNECTED TO SAID HANDLE, ELECTRICAL INSULATING MEANS BETWEEN SAID ELECTRICAL CONDUCTOR AND SAID FIRST MEMBER, A SECOND MEMBER OF ELECTRICAL CONDUCTING MATERIAL SECURED TO SAID FIRST MEMBER, MEANS FOR ELECTRICALLY CONNECTING SAID SECOND MEMBER TO THE FIRST MEMBER, A BORE IN THE SECOND MEMBER, A HOLLOW SOLDERING TIP OF ELECTRICAL CONDUCTING MATERIAL CLOSED AT ITS FORWARD END AND RECEIVED AT ITS OTHER END IN THE BORE IN SAID SECOND MEMBER SO AS TO BE ELECTRICALLY CONNECTED TO SAID SECOND MEMBER, AN ELECTRICAL HEATING COIL DISPOSED WITHIN SAID TIP, AN ELECTRICAL CONNECTION BETWEEN ONE END OF THE COIL AND THE FORWARD END OF SAID HOLLOW TIP, AND MEANS FOR ELECTRICALLY CONNECTING THE OTHER END OF SAID HEATING COIL TO THE ELECTRICAL CONDUCTOR EXTENDING THROUGH SAID BORE IN THE FIRST MEMBER, SAID LAST-MENTIONED MEANS BEING ELECTRICALLY INSULATED FROM THE TIP AND SAID SECOND MEMBER.
References Cited (Backward Citations)
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US1375586A
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FR946814A
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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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |