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US3310872A
Expired / Lapsed
US
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Assignee: Dell Industries Inc
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Filing: 1965-07-23
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Granted: 1967-03-28
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Expires: 1985-07-23
Abstract
No abstract record available.
Inventors
- 👤 Lansing H Dowdell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:21
CPC Classifications
H; H05; H05K; H05K13/00; H05K13/0092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A CUTTING TOOL COMPRISING AN ELONGATED HOLLOW HOUSING OF RECTANGULAR CONFIGURATION, COOPERATING CUTTERS PIVOTALLY MOUNTED IN OPPOSING RELATION AT ONE END OF THE HOUSING, A RECIPROCABLE RECTANGULAR PLUNGER SHAFT EXTENDING THROUGH THE HOUSING HAVING ONE END TERMINATING EXTERIORLY THEREOF IN A CONCAVE SHAPED PRESSURE APPLICATION MEMBER, THE OTHER END OF THE PLUNGER SHAFT TERMINATING IN A PAIR OF CONVERGING INCLINED SURFACES, EACH OF THE CUTTERS HAVING A FORWARD CUTTING JAW END AND A REARWARD END, THE REARWARD END HAVING A DIVERGING INCLINED PLANAR SURFACE, WITH RESPECT TO THE OPPOSING CUTTER, THE DIVERGING INCLINED PLANAR SURFACES ADAPTED TO OPERATIVELY MATE WITH RESPECTIVE INCLINED SURFACES OF THE PLUNGER SHAFT TO EFFECT CLOSING OF THE CUTTING JAWS WHEN THE PLUNGER SHAFT IS RECIPROCATED, MEANS FOR BIASING THE PLUNGER SHAFT IN A NON-OPERATIVE REST POSITION, MEANS FOR GUIDING THE PLUNGER SHAFT BETWEEN THE REST POSITION AND THE OPERATIVE CUTTING POSITION WHEN THE PLUNGER SHAFT IS RECIPROCATED AND TO EFFECT CESSATION OF MOVEMENT OF THE PLUNGER SHAFT AT THE REST POSITION, MEANS CAUSING THE CUTTING JAWS TO OPEN AS THE PLUNGER SHAFT IS RETURNED TO THE REST POSITION.
Claim 2
Dependent Claim
183 words
A CUTTING TOOL COMPRISING AN ELONGATED HOLLOW HOUSING OF RECTANGULAR CONFIGURATION, COOPERATING CUTTERS PIVOTALLY MOUNTED IN OPPOSING RELATION AT ONE END OF THE HOUSING, A RECIPROCABLE RECTANGULAR PLUNGER SHAFT EXTENDING THROUGH THE HOUSING HAVING ONE END TERMINATING EXTERIORLY THEREOF IN A CONCAVE SHAPED PRESSURE APPLICATION MEMBER, THE OTHER END OF THE PLUNGER SHAFT TERMINATING IN A PAIR OF CONVERGING INCLINED SURFACES, EACH OF THE CUTTERS HAVING A FORWARD CUTTING JAW END AND A REARWARD END, THE REARWARD END HAVING A DIVERGING INCLINED PLANAR SURFACE, WITH RESPECT TO THE OPPOSING CUTTER, THE DIVERGING INCLINED PLANAR SURFACES ADAPTED TO OPERATIVELY MATE WITH RESPECTIVE INCLINED SURFACES OF THE PLUNGER SHAFT TO EFFECT CLOSING OF THE CUTTING JAWS WHEN THE PLUNGER SHAFT IS RECIPROCATED, MEANS FOR BIASING THE PLUNGER SHAFT IN A NON-OPERATIVE REST POSITION, MEANS FOR GUIDING THE PLUNGER SHAFT BETWEEN THE REST POSITION AND THE OPERATIVE CUTTING POSITION WHEN THE PLUNGER SHAFT IS RECIPROCATED AND TO EFFECT CESSATION OF MOVEMENT OF THE PLUNGER SHAFT AT THE REST POSITION, MEANS CAUSING THE CUTTING JAWS TO OPEN AS THE PLUNGER SHAFT IS RETURNED TO THE REST POSITION.
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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |