US3238832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pierce unit and means for setting up the same
Assignee: DI-DRO ENGINEERING Co
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Filing: 1963-07-11
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Granted: 1966-03-08
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Floyd M Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:56
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/34; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8776; Y10T83/8785; Y10T83/8821; Y10T83/8858; Y10T83/8867; Y10T83/929; Y10T83/9457; Y10T83/9473; Y10T83/9476
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A FLUID ACTUATED PIERCING UNIT COMPRISING AN ELONGATED BODY HAVING A CYLINDRICAL BORE EXTENDING THERETHROUGH, A PISTON MOUNTED IN SAID BORE FOR RECIPROCAL MOVEMENT THEREIN, A PISTON ROD SECURED TO THE PISTON HAVING ONE END EXTENDING OUT ONE END OF THE BORE IN THE BODY, A PUNCH, MEANS FOR SECURING THE PUNCH TO THE ONE END OF THE PISTON ROD, A CAP SECURED TO THE BODY MEMBER OVER THE OTHER END OF THE BORE HAVING A SINGLE OPENING THERETHROUGH EXTENDING AXIALLY OF THE BORE IN COMMUNICATION THEREWITH HAVING A PIN GUIDING INNER PORTION AND A THREADED OUTER PORTION, A HEATED PIN HAVING A SHANK EXTENDING THROUGH THE OPENING IN THE CAP INTO SAID BORE THE HEADED END OF WHICH IS POSITIONED TO ABUT THE OUTER SURFACE OF THE CAP TO LIMIT THE MOVEMENT OF THE SHANK THEREOF INTO THE BORE IN THE BODY MEMBER, THE SHANK OF SAID PIN BEING ADAPTED TO ENGAGE THE PISTON IN THE BORE, RESILIENT MEANS OPERABLE BETWEEN THE BODY
Claim 2
Dependent Claim
164 words
A FLUID ACTUATED PIERCING UNIT COMPRISING AN ELONGATED BODY HAVING A CYLINDRICAL BORE EXTENDING THERETHROUGH, A PISTON MOUNTED IN SAID BORE FOR RECIPROCAL MOVEMENT THEREIN, A PISTON ROD SECURED TO THE PISTON HAVING ONE END EXTENDING OUT ONE END OF THE BORE IN THE BODY, A PUNCH, MEANS FOR SECURING THE PUNCH TO THE ONE END OF THE PISTON ROD, A CAP SECURED TO THE BODY MEMBER OVER THE OTHER END OF THE BORE HAVING A SINGLE OPENING THERETHROUGH EXTENDING AXIALLY OF THE BORE IN COMMUNICATION THEREWITH HAVING A PIN GUIDING INNER PORTION AND A THREADED OUTER PORTION, A HEATED PIN HAVING A SHANK EXTENDING THROUGH THE OPENING IN THE CAP INTO SAID BORE THE HEADED END OF WHICH IS POSITIONED TO ABUT THE OUTER SURFACE OF THE CAP TO LIMIT THE MOVEMENT OF THE SHANK THEREOF INTO THE BORE IN THE BODY MEMBER, THE SHANK OF SAID PIN BEING ADAPTED TO ENGAGE THE PISTON IN THE BORE, RESILIENT MEANS OPERABLE BETWEEN THE BODY
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |