Patent US3156920A successfully refreshed from Google Patents.
US3156920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magazine construction
Assignee: Duo Fast Corp
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Filing: 1962-03-23
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Granted: 1964-11-17
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Expires: 1982-03-23
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Mysiak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:03
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/16; B25C5/1679; B25C5/1637; B25C5/1641; B25C5/1658
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
A FASTENER MAGAZINE FOR A FASTENER DRIVING DEVICE FOR INTERCHANGEABLY SUPPORTING A PLURALITY OF STAPLE-STYPE FASTENERS AND NAIL-TYPE FASTENERS IN BACK-TO-BACK RELATIONSHIP AND FOR FEEDING SAID FASTENERS TO A FASTENER DRIVE TRACK; SAID MAGAZINE COMPRISING AN ELONGATED, GENERALLY U-SHAPED BASE MEMBER INCLUDING A BOTTOM PORTION AND A PAIR OF SPACED LEG PORTIONS EXTENDING UPWARDLY FROM THE BOTTOM PORTION; A PAIR OF SPACED, LONGITUDINALLY EXTENDING FASTENER SUPPORT PORTIONS INTERMEDIATE SAID SPACED LEG PORTIONS FORMING A STAPLE SUPPORT AND GUIDE FOR LOOSELY SUPPORTING A STRIP OF INVERTED U-SHAPED STAPLE-TYPE FASTENERS FROM THEIR CROWN WITH THE LEGS OF SAID FASTENERS POSITIONED ADJACENT THE OUTER SIDES OF SAID LEG PORTIONS FOR GUIDING SAID FASTENERS ALONG SAID SUPPORT PORTIONS, AND ADDITIONALLY DEFINING A NAIL GUIDE GROOVE BETWEEN THEM FOR SUPPORTING A STRIP OF NAIL-TYPE FASTENERS FROM THEIR HEADS WITH THE SHANKS THEREOF LOOSELY ACCOMMODATED IN SAID NAIL GUIDE GROOVE; A GENERALLY E-SHAPED FASTENER PUSHER HAVING A PAIR OF SPACED END LEGS OVERLYING THE OUTER SIDES OF SAID FASTENER SUPPORT PORTIONS FOR ENGAGING A STAPLE-TYPE FASTENER AND HAVING AN INTERMEDIATE LEG IN SAID GROOVE FOR ENGAGING A NAIL-TYPE FASTENER; AND SPRING MEANS BIASING SAID PUSHER TOWARD SAID DRIVE TRACK.
Claim 2
Dependent Claim
193 words
A FASTENER MAGAZINE FOR A FASTENER DRIVING DEVICE FOR INTERCHANGEABLY SUPPORTING A PLURALITY OF STAPLE-STYPE FASTENERS AND NAIL-TYPE FASTENERS IN BACK-TO-BACK RELATIONSHIP AND FOR FEEDING SAID FASTENERS TO A FASTENER DRIVE TRACK; SAID MAGAZINE COMPRISING AN ELONGATED, GENERALLY U-SHAPED BASE MEMBER INCLUDING A BOTTOM PORTION AND A PAIR OF SPACED LEG PORTIONS EXTENDING UPWARDLY FROM THE BOTTOM PORTION; A PAIR OF SPACED, LONGITUDINALLY EXTENDING FASTENER SUPPORT PORTIONS INTERMEDIATE SAID SPACED LEG PORTIONS FORMING A STAPLE SUPPORT AND GUIDE FOR LOOSELY SUPPORTING A STRIP OF INVERTED U-SHAPED STAPLE-TYPE FASTENERS FROM THEIR CROWN WITH THE LEGS OF SAID FASTENERS POSITIONED ADJACENT THE OUTER SIDES OF SAID LEG PORTIONS FOR GUIDING SAID FASTENERS ALONG SAID SUPPORT PORTIONS, AND ADDITIONALLY DEFINING A NAIL GUIDE GROOVE BETWEEN THEM FOR SUPPORTING A STRIP OF NAIL-TYPE FASTENERS FROM THEIR HEADS WITH THE SHANKS THEREOF LOOSELY ACCOMMODATED IN SAID NAIL GUIDE GROOVE; A GENERALLY E-SHAPED FASTENER PUSHER HAVING A PAIR OF SPACED END LEGS OVERLYING THE OUTER SIDES OF SAID FASTENER SUPPORT PORTIONS FOR ENGAGING A STAPLE-TYPE FASTENER AND HAVING AN INTERMEDIATE LEG IN SAID GROOVE FOR ENGAGING A NAIL-TYPE FASTENER; AND SPRING MEANS BIASING SAID PUSHER TOWARD SAID DRIVE TRACK.
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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |