Patent US3278976A successfully refreshed from Google Patents.
US3278976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for securing nibs in marking pens
Assignee: Individual
•
Filing: 1964-04-23
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Granted: 1966-10-18
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Expires: 1984-04-23
Abstract
No abstract record available.
Inventors
- 👤 Lawrence T Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:43
CPC Classifications
B; B43; B43K; B43K8/00; B43K8/02; B43K8/04; B43K8/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN INK MARKING PEN ASSEMBLY COMPRISING A CYLINDRICALLY SHAPED INTEGRAL CONTAINER HAVING AN OPEN REDUCED NECK PORTION AT ONE END AND A CLOSED PORTION ON THE OPPOSITE END, A CYLINDRICAL OPENING IN SAID NECK PORTION, A FERRULE EXTENDING INTO SAID CYLINDRICAL OPENING AND ENGAGING THE INNER SIDE WALLS OF SAID NECK PORTION, A SHOULDER ON SAID FERRULE ENGAGING THE OPEN END OF SAID NECK PORTION, A WRITING NIB OF UNIFORM CROSS SECTION EXTENDING THROUGH SAID FERRULE INTO SAID CONTAINER WITH A GREATER PART OF THE OUTER PERIPHERY OF SAID NIB BEING ENGAGED BY SAID FERRULE TO POSITION OF SAID NIB BEING ENGAGED BY SAID PORTION SAID NIB BY SLIGHT UNIFORM PRESSURE ON SAID PERIPHERY, AND A BREATHING VENT EXTENDING THROUGH SAID FERRULE ADJACENT SAID NIB TO CONNECT THE INTERIOR OF SAID CONTAINER WITH ATMOSPHERE.
Claim 2
Dependent Claim
134 words
AN INK MARKING PEN ASSEMBLY COMPRISING A CYLINDRICALLY SHAPED INTEGRAL CONTAINER HAVING AN OPEN REDUCED NECK PORTION AT ONE END AND A CLOSED PORTION ON THE OPPOSITE END, A CYLINDRICAL OPENING IN SAID NECK PORTION, A FERRULE EXTENDING INTO SAID CYLINDRICAL OPENING AND ENGAGING THE INNER SIDE WALLS OF SAID NECK PORTION, A SHOULDER ON SAID FERRULE ENGAGING THE OPEN END OF SAID NECK PORTION, A WRITING NIB OF UNIFORM CROSS SECTION EXTENDING THROUGH SAID FERRULE INTO SAID CONTAINER WITH A GREATER PART OF THE OUTER PERIPHERY OF SAID NIB BEING ENGAGED BY SAID FERRULE TO POSITION OF SAID NIB BEING ENGAGED BY SAID PORTION SAID NIB BY SLIGHT UNIFORM PRESSURE ON SAID PERIPHERY, AND A BREATHING VENT EXTENDING THROUGH SAID FERRULE ADJACENT SAID NIB TO CONNECT THE INTERIOR OF SAID CONTAINER WITH ATMOSPHERE.
References Cited (Backward Citations)
US3003181A
Cited
US3089182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |