US3269238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch stripper apparatus
Assignee: Individual
•
Filing: 1964-12-02
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Granted: 1966-08-30
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Sr Lawrence V Whistler
- 👤 Jr Lawrence V Whistler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:51
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/18; B26D7/1818; B21; B21D; B21D45/00; B21D45/003; B21D45/006; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2157
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
PUNCH STRIPPER APPARATUS COMPRISING A FIRST RELATIVELY RIGID END PORTION AND A SECOND RELATIVELY RIGID END PORTION SPACED FROM SAID FIRST END PORTION, EACH OF SAID END PORTIONS HAVING A CENTRAL HOLE FORMED THERETHROUGH FOR RECEIVING A PORTION OF A PUNCH, RESILIENT MEANS INTERPOSED BETWEEN AND ENGAGING SAID FIRST AND SECOND END PORTIONS, SAID RESILIENT MEANS DEFINING A CENTRAL CLEARANCE AREA FOR RECEIVING A PUNCH, AND RETAINER MEANS ADJACENT SAID FIRST END PORTION FOR RETAINING THE STRIPPER APPARATUS ON A PUNCH, SAID RETAINER MEANS BEING MEANS OF A RELATIVELY RIGID RESILIENT MATERIAL, SAID RETAINER MEANS COMPRISING A SUBSTANTIALLY FLAT SHEET-LIKE MEANS DEFINING A CENTRAL HOLE FOR SNUGLY ENGAGING AN ASSOCIATED PUNCH AND BEING OF SUCH THICKNESS THAT IT IS ADAPTED TO FLEX IN OPPOSITE DIRECTIONS WHILE IN GRIPPING ENGAGEMENT WITH AN ASSOCIATED PUNCH, SAID RETAINER MEANS DEFINING A FIRST SURFACE FACING TOWARD SAID SECOND END PORTION AND AN OPPOSITE SURFACE FACING TOWARD SAID FIRST END PORTION, AND A FLAT SURFACE ENGAGING SAID OPPOSITE SURFACE OF THE RETAINER MEANS, SAID RETAINER MEANS EXTENDING RADIALLY INWARDLY OF SAID FLAT SURFACE ONLY A VERY SMALL DISTANCE WHEREBY SAID FLAT SURFACE TENDS TO PREVENT FLEXING OF SAID RETAINER MEANS IN A DIRECTION TO RELEASE THE STRIPPER APPARATUS FROM AN ASSOCIATED PUNCH.
Claim 2
Dependent Claim
207 words
PUNCH STRIPPER APPARATUS COMPRISING A FIRST RELATIVELY RIGID END PORTION AND A SECOND RELATIVELY RIGID END PORTION SPACED FROM SAID FIRST END PORTION, EACH OF SAID END PORTIONS HAVING A CENTRAL HOLE FORMED THERETHROUGH FOR RECEIVING A PORTION OF A PUNCH, RESILIENT MEANS INTERPOSED BETWEEN AND ENGAGING SAID FIRST AND SECOND END PORTIONS, SAID RESILIENT MEANS DEFINING A CENTRAL CLEARANCE AREA FOR RECEIVING A PUNCH, AND RETAINER MEANS ADJACENT SAID FIRST END PORTION FOR RETAINING THE STRIPPER APPARATUS ON A PUNCH, SAID RETAINER MEANS BEING MEANS OF A RELATIVELY RIGID RESILIENT MATERIAL, SAID RETAINER MEANS COMPRISING A SUBSTANTIALLY FLAT SHEET-LIKE MEANS DEFINING A CENTRAL HOLE FOR SNUGLY ENGAGING AN ASSOCIATED PUNCH AND BEING OF SUCH THICKNESS THAT IT IS ADAPTED TO FLEX IN OPPOSITE DIRECTIONS WHILE IN GRIPPING ENGAGEMENT WITH AN ASSOCIATED PUNCH, SAID RETAINER MEANS DEFINING A FIRST SURFACE FACING TOWARD SAID SECOND END PORTION AND AN OPPOSITE SURFACE FACING TOWARD SAID FIRST END PORTION, AND A FLAT SURFACE ENGAGING SAID OPPOSITE SURFACE OF THE RETAINER MEANS, SAID RETAINER MEANS EXTENDING RADIALLY INWARDLY OF SAID FLAT SURFACE ONLY A VERY SMALL DISTANCE WHEREBY SAID FLAT SURFACE TENDS TO PREVENT FLEXING OF SAID RETAINER MEANS IN A DIRECTION TO RELEASE THE STRIPPER APPARATUS FROM AN ASSOCIATED PUNCH.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |