US2758191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering bit
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1951-10-02
•
Granted: 1956-08-07
•
Expires: 1971-10-02
Abstract
No abstract record available.
Inventors
- 👤 Bell Ian C Mcl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:56
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A SOLDERING BIT COMPRISING A BUTT-ENDED COPPER CORE SLIDABLY MOUNTED WITHIN A COPPER SHEATH, A STAINLESS STEEL SHEATH SECURED TO SAID COPPER SHEATH ADJACENT THE WORK END OF SAID CORE, SAID STAINLESS SHEATH BEING IN CLOSE CONTACT WITH AND COVERING ALL BUT THE END WORKING SURFACE OF SAID CORE, AND MEANS CONNECTED TO SAID SOLDERING BIT WHEREBY SAID CORE MAY BE LONGITUDINALLY FED RELATIVE TO SAID STAINLESS STEEL SHEATH TO COMPENSATE FOR OPERATING WEAR.
Claim 2
Dependent Claim
74 words
A SOLDERING BIT COMPRISING A BUTT-ENDED COPPER CORE SLIDABLY MOUNTED WITHIN A COPPER SHEATH, A STAINLESS STEEL SHEATH SECURED TO SAID COPPER SHEATH ADJACENT THE WORK END OF SAID CORE, SAID STAINLESS SHEATH BEING IN CLOSE CONTACT WITH AND COVERING ALL BUT THE END WORKING SURFACE OF SAID CORE, AND MEANS CONNECTED TO SAID SOLDERING BIT WHEREBY SAID CORE MAY BE LONGITUDINALLY FED RELATIVE TO SAID STAINLESS STEEL SHEATH TO COMPENSATE FOR OPERATING WEAR.
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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) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |