US3146459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable stapler, especially driver connection therefor
Assignee: Joh Friedrich Behrens AG
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Filing: 1962-01-19
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Granted: 1964-09-01
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Expires: 1982-01-19
Abstract
No abstract record available.
Inventors
- 👤 Heinz E Bade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/04; B25C1/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
FOR USE IN CONNECTION WITH A STAPLING TOOL: AN INVERTED CUP-SHAPED PISTON HAVING A BOTTOM AND A CYLINDRICAL SKIRT, AN ELASTIC INSERT IN SAID PISTON, SAID PISTON INCLUDING MEANS TOTALLY WITHIN THE CONFINES OF SAID PISTON FOR FIRMLY HOLDING SAID INSERT IN SAID PISTON FOR MOVEMENT THEREWITH IN OPPOSITE DIRECTIONS OF MOVEMENT OF SAID PISTON, SAID INSERT HAVING A PASSAGE THERETHROUGH EXTENDING IN AXIAL DIRECTION OF SAID PISTON, STAPLE DRIVING MEANS IN SAID PASSAGE, ONE END OF SAID STAPLE DRIVING MEANS BEING NORMALLY FIRMLY HELD AGAINST SAID BOTTOM AND THE OTHER END OF SAID STAPLE DRIVING MEANS PROTRUDING FROM AND BEYOND SAID INSERT, AND HOLDING MEANS FIRMLY EMBEDDED AND JOURNALLEL IN SAID ELASTIC ONLY WHEREBY SAID HOLDING MEANS IS YIELDABLY JOURNALLED IN SAID INSERT, SAID HOLDING MEANS EXTENDING THROUGH SAID STAPLE DRIVING MEANS SO AS NORMALLY FIRMLY TO HOLD SAID STAPLE DRIVING MEANS AGAINST SAID PISTON BOTTOM.
Claim 2
Dependent Claim
147 words
FOR USE IN CONNECTION WITH A STAPLING TOOL: AN INVERTED CUP-SHAPED PISTON HAVING A BOTTOM AND A CYLINDRICAL SKIRT, AN ELASTIC INSERT IN SAID PISTON, SAID PISTON INCLUDING MEANS TOTALLY WITHIN THE CONFINES OF SAID PISTON FOR FIRMLY HOLDING SAID INSERT IN SAID PISTON FOR MOVEMENT THEREWITH IN OPPOSITE DIRECTIONS OF MOVEMENT OF SAID PISTON, SAID INSERT HAVING A PASSAGE THERETHROUGH EXTENDING IN AXIAL DIRECTION OF SAID PISTON, STAPLE DRIVING MEANS IN SAID PASSAGE, ONE END OF SAID STAPLE DRIVING MEANS BEING NORMALLY FIRMLY HELD AGAINST SAID BOTTOM AND THE OTHER END OF SAID STAPLE DRIVING MEANS PROTRUDING FROM AND BEYOND SAID INSERT, AND HOLDING MEANS FIRMLY EMBEDDED AND JOURNALLEL IN SAID ELASTIC ONLY WHEREBY SAID HOLDING MEANS IS YIELDABLY JOURNALLED IN SAID INSERT, SAID HOLDING MEANS EXTENDING THROUGH SAID STAPLE DRIVING MEANS SO AS NORMALLY FIRMLY TO HOLD SAID STAPLE DRIVING MEANS AGAINST SAID PISTON BOTTOM.
References Cited (Backward Citations)
US2850738A
Cited
US3041614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |