Patent US3498287A successfully refreshed from Google Patents.
US3144889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor preparation machine
Assignee: International Business Machines Corp
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Filing: 1961-07-24
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Granted: 1964-08-18
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Theodore H Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:42
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/02; H05K13/023; H05K13/024; H05K13/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A MACHINE FOR STRAIGHTENING AND TRIMMING THE LEADS OF TRANSISTORS HAVING THREE LEADS PROJECTING FROM THE BASE OF THE CAN THEREOF IN A TRIANGULAR CONFIGURATION, SAID MACHINE COMPRISING A FIRST PRE-STRAIGHTENING STATION AND A SECOND STRAIGHTENING AND CUT-OFF STATION EACH MOVABLE BETWEEN OPEN AND CLOSED POSITIONS, TRACK MEANS ADAPTED TO RECEIVE AN ALIGNED SUPPLY OF TRANSISTORS FOR MOVEMENT THEREALONG AND INCLUDING PORTIONS EXTENDING THROUGH SAID STATIONS, SAID TRACK MEANS INCLUDING A CHANNEL IN WHICH THE CAN IS RECEIVED AND COVER MEANS SECURED TO THE OPEN SIDE OF THE CHANNEL FORMING A LONGITUDINAL SLOT BETWEEN WHICH THE LEADS PROJECT FORWARDLY WITH TWO OF THE LEADS SLIDABLE ALONG ONE SIDE OF THE SLOT AND THE THIRD LEAD SLIDABLE ALONG THE OTHER SIDE OF THE SLOT, STOP MEANS AT EACH OF SAID STATIONS MOVABLE INTO AND OUT OF BLOCKING ENGAGEMENT WITH THE TRANSISTORS, SAID FIRST STATION COMPRISING MEANS FOR RESILIENTLY GRIPPING THE SIDES OF THE CAN AND RESILIENTLY URGING THE BASE OF THE CAN AGAINST SAID TRACK COVER MEANS, MEANS FOR THEREAFTER LOOSELY ENCIRCLING AND COMBING EACH OF THE LEADS FORWARDLY OVER A PREDETERMINED LENGTH THEREOF IN A DIRECTION APPROXIMATELY PERPENDICULAR TO THE BASE OF THE CAN, SAID SECOND STATION INCLUDING MEANS FOR RESILIENTLY GRIPPING THE SIDES OF THE CAN AND RESILIENTLY
Claim 2
Dependent Claim
209 words
A MACHINE FOR STRAIGHTENING AND TRIMMING THE LEADS OF TRANSISTORS HAVING THREE LEADS PROJECTING FROM THE BASE OF THE CAN THEREOF IN A TRIANGULAR CONFIGURATION, SAID MACHINE COMPRISING A FIRST PRE-STRAIGHTENING STATION AND A SECOND STRAIGHTENING AND CUT-OFF STATION EACH MOVABLE BETWEEN OPEN AND CLOSED POSITIONS, TRACK MEANS ADAPTED TO RECEIVE AN ALIGNED SUPPLY OF TRANSISTORS FOR MOVEMENT THEREALONG AND INCLUDING PORTIONS EXTENDING THROUGH SAID STATIONS, SAID TRACK MEANS INCLUDING A CHANNEL IN WHICH THE CAN IS RECEIVED AND COVER MEANS SECURED TO THE OPEN SIDE OF THE CHANNEL FORMING A LONGITUDINAL SLOT BETWEEN WHICH THE LEADS PROJECT FORWARDLY WITH TWO OF THE LEADS SLIDABLE ALONG ONE SIDE OF THE SLOT AND THE THIRD LEAD SLIDABLE ALONG THE OTHER SIDE OF THE SLOT, STOP MEANS AT EACH OF SAID STATIONS MOVABLE INTO AND OUT OF BLOCKING ENGAGEMENT WITH THE TRANSISTORS, SAID FIRST STATION COMPRISING MEANS FOR RESILIENTLY GRIPPING THE SIDES OF THE CAN AND RESILIENTLY URGING THE BASE OF THE CAN AGAINST SAID TRACK COVER MEANS, MEANS FOR THEREAFTER LOOSELY ENCIRCLING AND COMBING EACH OF THE LEADS FORWARDLY OVER A PREDETERMINED LENGTH THEREOF IN A DIRECTION APPROXIMATELY PERPENDICULAR TO THE BASE OF THE CAN, SAID SECOND STATION INCLUDING MEANS FOR RESILIENTLY GRIPPING THE SIDES OF THE CAN AND RESILIENTLY
References Cited (Backward Citations)
US1051497A
Cited
US1760629A
Cited
US1853947A
Cited
US2120877A
Cited
US2493560A
Cited
US2979084A
Cited
US2993516A
Cited
US3028886A
Cited
US2964088A
Cited
US3013590A
Cited
US3027921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |