Patent US3249280A successfully refreshed from Google Patents.
US3249280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nail feed mechanism
Assignee: LOWRY DEV CORP
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Filing: 1964-12-24
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Granted: 1966-05-03
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Expires: 1984-12-24
Abstract
No abstract record available.
Inventors
- 👤 Philip D Cabot
- 👤 Robert D Lowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:59
CPC Classifications
B; B25; B25C; B25C1/00; B25C1/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A NAIL FEED MECHANISM COMPRISING A PAIR OF OPPOSED RELATIVELY SLIDABLE MEMBERS FORMING THEREBETWEEN AN INTERVENING CONFINED PASSAGEWAY FOR SINGLE-FILE PASSAGE OF HEADED NAILS; A SERIES OF FORWARDLY FACING SPACED ABUTMENTS ON EACH OF SAID MEMBERS FOR ENGAGING FROM OPPOSITE SIDES OF SAID PASSAGWAY, THE REAR SURFACES OF HEADS OF NAILS PASSING POINT-FIRST ALONG SAID PASSAGEWAY; ONE OF SAID MEMBERS BEING SLIDABLY MOVABLE RELATIVE TO THE OTHER MEMBER FROM A FULLY RETRACTED POSITION WHEREAT SUCCESSIVE ABUTMENTS ON SAID ONE MEMBER ARE RETRACTED BEHIND SUCCESSIVE ABUTMENTS ON SAID OTHER MEMBER TO A FULLY ADVANCED POSITION WHEREAT EACH OF THE ABUTMENTS OTHER THAN THE FIRST AND THE LAST IN THE SERIES OF ABUTMENTS ON SAID ONE MEMBER HAS MOVED PAST TWO ADJACENT ABUTMENTS ON SAID OTHER MEMBER TO ADVANCE A SINGLE FILE PROGRESSION OF NAILS, INSERTED IN SUCCESSION INTO PASSAGEWAY IN FRONT OF SAID LAST ABUTMENT ON SAID ONE MEMBER, STEP-BYSTEP FROM ABUTMENT TO ABUTMENT OF SAID OTHER MEMBER ALONG SAID PASSAGEWAY WITH EACH FULL STROKE OF SAID ONE MEMBER.
Claim 2
Dependent Claim
168 words
A NAIL FEED MECHANISM COMPRISING A PAIR OF OPPOSED RELATIVELY SLIDABLE MEMBERS FORMING THEREBETWEEN AN INTERVENING CONFINED PASSAGEWAY FOR SINGLE-FILE PASSAGE OF HEADED NAILS; A SERIES OF FORWARDLY FACING SPACED ABUTMENTS ON EACH OF SAID MEMBERS FOR ENGAGING FROM OPPOSITE SIDES OF SAID PASSAGWAY, THE REAR SURFACES OF HEADS OF NAILS PASSING POINT-FIRST ALONG SAID PASSAGEWAY; ONE OF SAID MEMBERS BEING SLIDABLY MOVABLE RELATIVE TO THE OTHER MEMBER FROM A FULLY RETRACTED POSITION WHEREAT SUCCESSIVE ABUTMENTS ON SAID ONE MEMBER ARE RETRACTED BEHIND SUCCESSIVE ABUTMENTS ON SAID OTHER MEMBER TO A FULLY ADVANCED POSITION WHEREAT EACH OF THE ABUTMENTS OTHER THAN THE FIRST AND THE LAST IN THE SERIES OF ABUTMENTS ON SAID ONE MEMBER HAS MOVED PAST TWO ADJACENT ABUTMENTS ON SAID OTHER MEMBER TO ADVANCE A SINGLE FILE PROGRESSION OF NAILS, INSERTED IN SUCCESSION INTO PASSAGEWAY IN FRONT OF SAID LAST ABUTMENT ON SAID ONE MEMBER, STEP-BYSTEP FROM ABUTMENT TO ABUTMENT OF SAID OTHER MEMBER ALONG SAID PASSAGEWAY WITH EACH FULL STROKE OF SAID ONE MEMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |