US3089465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lettering instrument
Assignee: Hunt Manufacturing Co
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Filing: 1960-03-04
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Granted: 1963-05-14
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Expires: 1980-03-04
Abstract
No abstract record available.
Inventors
- 👤 West Clarence Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:31
CPC Classifications
B; B43; B43K; B43K5/00; B43K5/18; B43K5/1818; B43K5/189
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A LETTERING INTRUMENT COMPRISING A CASING HAVING AN OPEN END, AN INK BULB WITHIN SAID CASING, A PLUG CLOSING THE OPEN END OF SAID CASING, A LETTERING NIB HAVING AN OVERFEEDER SECURED TO SAID PLUG, A TUBE HAVING ONE END CONNECTED TO SAID BULB AND THE OTHER END ADJACENT THE OVERFEEDER, A FINGER LYING BETWEEN SAID BULB AND SAID CASING, SAID PLUG HAVING A LONGITUDINAL BORE FOR THE RECEPTION OF ONE END OF SAID FINGER AND SAID FINGER BEING FULCRUMED ON SAID PLUG AT THE OTHER AND OF SAID BORE, AND A PLUNGER MOUNTED IN AN OPENING IN SAID PLUG WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF THE NIB, SAID PLUNGER ENGAGING THE END OF THE FINGER LYING IN SAID BORE TO PIVOT THE FINGER ABOUT ITS FULCRUM SO AS TO BEAR AGAINST SAID BULB AND CAUSE INK TO FLOW THROUGH SAID TUBE TO SAID OVERFEEDER AND SAID PLUNGER BEING RECESSED SO AS TO LIE ENTIRELY WITHIN THE OUTER DIAMETER OF THE CASING.
Claim 2
Dependent Claim
164 words
A LETTERING INTRUMENT COMPRISING A CASING HAVING AN OPEN END, AN INK BULB WITHIN SAID CASING, A PLUG CLOSING THE OPEN END OF SAID CASING, A LETTERING NIB HAVING AN OVERFEEDER SECURED TO SAID PLUG, A TUBE HAVING ONE END CONNECTED TO SAID BULB AND THE OTHER END ADJACENT THE OVERFEEDER, A FINGER LYING BETWEEN SAID BULB AND SAID CASING, SAID PLUG HAVING A LONGITUDINAL BORE FOR THE RECEPTION OF ONE END OF SAID FINGER AND SAID FINGER BEING FULCRUMED ON SAID PLUG AT THE OTHER AND OF SAID BORE, AND A PLUNGER MOUNTED IN AN OPENING IN SAID PLUG WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE AXIS OF THE NIB, SAID PLUNGER ENGAGING THE END OF THE FINGER LYING IN SAID BORE TO PIVOT THE FINGER ABOUT ITS FULCRUM SO AS TO BEAR AGAINST SAID BULB AND CAUSE INK TO FLOW THROUGH SAID TUBE TO SAID OVERFEEDER AND SAID PLUNGER BEING RECESSED SO AS TO LIE ENTIRELY WITHIN THE OUTER DIAMETER OF THE CASING.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |