Patent US3408889A successfully refreshed from Google Patents.
US3408889A
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Assignee: Intex Oil Co
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Filing: 1965-08-25
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Granted: 1968-11-05
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Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond S Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:05
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/32; B26F1/36; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8798; Y10T83/8799; Y10T83/8801; Y10T83/929; Y10T83/9411; Y10T83/9449
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A FILE FASTENER PUNCH COMPRISING: A LOWER PLATE HAVING A PAIR OF PARALLEL STRAIGHT DIE SLOTS, AND A PAIR OF V-SHAPED DIE SLOTS LOCATED LATERALLY FROM SAID PARALLEL DIE SLOTS WITH THEIR APEX ENDS POINTING LATERALLY AWAY FROM SAID STRAIGHT DIE SLOTS; SAID DIE SLOTS DEFINING A PAIR OF FIVE-SIDED FIGURES, EACH FIGURE HAVING A FIRST SIDE DEFINED BY A STRAIGHT DIE SLOT, SIDES PERPENDICULAR TO SAID FIRST SIDE, BETWEEN SAID STRAIGHT AND V-SHAPED DIE SLOTS; AND AN APEX END DEFINING TWO SIDES AND FORMED BY A V-SHAPED DIE SLOT; A TOP PLATE; A PAIR OF PARALLEL STRAIGHT PUNCH BLADES EXTENDING FROM SAID TOP PLATE FOR COOPERATION WITH SAID STRAIGHT DIE SLOTS; A PAIR OF V-SHAPED PUNCH BLADES EXTENDING FROM SAID TOP PLATE FOR COOPERATION WITH SAID VSHAPED DIE SLOTS; AND MEANS MOUNTING SAID PLATES FOR RELATIVE MOVEMENT TO EFFECT COOPERATION OF SAID DIE SLOTS AND PUNCH BLADES.
Claim 2
Dependent Claim
148 words
A FILE FASTENER PUNCH COMPRISING: A LOWER PLATE HAVING A PAIR OF PARALLEL STRAIGHT DIE SLOTS, AND A PAIR OF V-SHAPED DIE SLOTS LOCATED LATERALLY FROM SAID PARALLEL DIE SLOTS WITH THEIR APEX ENDS POINTING LATERALLY AWAY FROM SAID STRAIGHT DIE SLOTS; SAID DIE SLOTS DEFINING A PAIR OF FIVE-SIDED FIGURES, EACH FIGURE HAVING A FIRST SIDE DEFINED BY A STRAIGHT DIE SLOT, SIDES PERPENDICULAR TO SAID FIRST SIDE, BETWEEN SAID STRAIGHT AND V-SHAPED DIE SLOTS; AND AN APEX END DEFINING TWO SIDES AND FORMED BY A V-SHAPED DIE SLOT; A TOP PLATE; A PAIR OF PARALLEL STRAIGHT PUNCH BLADES EXTENDING FROM SAID TOP PLATE FOR COOPERATION WITH SAID STRAIGHT DIE SLOTS; A PAIR OF V-SHAPED PUNCH BLADES EXTENDING FROM SAID TOP PLATE FOR COOPERATION WITH SAID VSHAPED DIE SLOTS; AND MEANS MOUNTING SAID PLATES FOR RELATIVE MOVEMENT TO EFFECT COOPERATION OF SAID DIE SLOTS AND PUNCH BLADES.
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |