Patent US3149339A successfully refreshed from Google Patents.
US3149339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stapler
Assignee: Parker Manufacturing Co
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Filing: 1962-04-17
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Granted: 1964-09-22
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Expires: 1982-04-17
Abstract
No abstract record available.
Inventors
- 👤 Oscar H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:14
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/06; B25C5/10; B25C5/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A STAPLER, COMPRISING (A) A FRAME COMPRISING A SECTION OF U-SHAPED CROSSSECTION HAVING A BIGHT AND TWO SIDE FLANGES DEFINING AN ELONGATED CHAMBER, (B) A HAMMER SLIDABLE IN THE CHAMBER, (C) A SPRING RESIDING IN THE CHAMBER AND ENGAGING THE HAMMER AT ONE END, AND (D) A CAP MEMBER MOUNTED IN THE CHAMBER, THE CAP MEMBER BEING FORMED WITH A SPRING RECESS IN WHICH THE OTHER END OF THE SPRING RESIDES, AND (E) A READILY RELEASABLE FASTENER MEANS HOLDING THE CAP MEMBER IN THE CHAMBER AND PERMITTING READY REMOVAL OF THE CAP MEMBER, THE FASTENER MEANS COMPRISING A REMOVABLE RIVET EXTENDING THROUGH THE SIDE FLANGES OF THE FRAME AND THROUGH THE CAP MEMBER, THE FASTENER MEANS ALSO INCLUDING A PIVOT PIN EXTENDING THROUGH THE CAP MEMBER AND RESIDING IN SLOTS IN THE FRAME, THE CAP MEMBER HAVING A LEDGE WHICH RESTS ON THE END EDGE OF THE BIGHT OF THE FRAME.
Claim 2
Dependent Claim
151 words
A STAPLER, COMPRISING (A) A FRAME COMPRISING A SECTION OF U-SHAPED CROSSSECTION HAVING A BIGHT AND TWO SIDE FLANGES DEFINING AN ELONGATED CHAMBER, (B) A HAMMER SLIDABLE IN THE CHAMBER, (C) A SPRING RESIDING IN THE CHAMBER AND ENGAGING THE HAMMER AT ONE END, AND (D) A CAP MEMBER MOUNTED IN THE CHAMBER, THE CAP MEMBER BEING FORMED WITH A SPRING RECESS IN WHICH THE OTHER END OF THE SPRING RESIDES, AND (E) A READILY RELEASABLE FASTENER MEANS HOLDING THE CAP MEMBER IN THE CHAMBER AND PERMITTING READY REMOVAL OF THE CAP MEMBER, THE FASTENER MEANS COMPRISING A REMOVABLE RIVET EXTENDING THROUGH THE SIDE FLANGES OF THE FRAME AND THROUGH THE CAP MEMBER, THE FASTENER MEANS ALSO INCLUDING A PIVOT PIN EXTENDING THROUGH THE CAP MEMBER AND RESIDING IN SLOTS IN THE FRAME, THE CAP MEMBER HAVING A LEDGE WHICH RESTS ON THE END EDGE OF THE BIGHT OF THE FRAME.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |