US3242907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain pen
Assignee: Scripto Inc
•
Filing: 1963-09-09
•
Granted: 1966-03-29
•
Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Charles K Lovejoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:40
CPC Classifications
B; B43; B43K; B43K5/00; B43K5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A FOUNTAIN PEN COMPRISING A BARREL PROVIDED WITH A CENTRAL INTERNAL BORE THEREIN, A PINT ASSEMBLY DISPOSED IN THE FORWARD END OF SAID BARREL THAT INCLUDES A NIB SUPPORT MEMBER HAVING A REARWARDLY FACING STOP SHOULDER AND A NIB CARRIED ON SAID SUPPORT MEMBER, AND A CAPILLARY RESERVOIR ELEMENT DISPOSED WITHIN SAID CENTRAL BORE FOR CONTAINING A SUPPLY OF INK, SAID CENTRAL INTERNAL BORE OF SAID BARREL HAVING ITS FORWARD END TERMINATING IN AN INWARDLY AND FORWARDLY SLANTED SURFACE WITHIN THE BARREL ON THE SIDE THAT IS THE UNDERSIDE OF THE PEN WHEN HELD IN NORMAL WRITING POSITION SO THAT DURING WRITING SAID SLANTED SURFACE MAKES AN ANGLE OF 90* OR LESS WITH THE VERTICAL, WHEREBY THE FORCE OF GRAVITY IS UTILIZED TO SUPPLEMENT THE CAPILLARY FORCE OF THE PEN SYSTEM FOR REGULATING THE FLOW
Claim 2
Dependent Claim
135 words
A FOUNTAIN PEN COMPRISING A BARREL PROVIDED WITH A CENTRAL INTERNAL BORE THEREIN, A PINT ASSEMBLY DISPOSED IN THE FORWARD END OF SAID BARREL THAT INCLUDES A NIB SUPPORT MEMBER HAVING A REARWARDLY FACING STOP SHOULDER AND A NIB CARRIED ON SAID SUPPORT MEMBER, AND A CAPILLARY RESERVOIR ELEMENT DISPOSED WITHIN SAID CENTRAL BORE FOR CONTAINING A SUPPLY OF INK, SAID CENTRAL INTERNAL BORE OF SAID BARREL HAVING ITS FORWARD END TERMINATING IN AN INWARDLY AND FORWARDLY SLANTED SURFACE WITHIN THE BARREL ON THE SIDE THAT IS THE UNDERSIDE OF THE PEN WHEN HELD IN NORMAL WRITING POSITION SO THAT DURING WRITING SAID SLANTED SURFACE MAKES AN ANGLE OF 90* OR LESS WITH THE VERTICAL, WHEREBY THE FORCE OF GRAVITY IS UTILIZED TO SUPPLEMENT THE CAPILLARY FORCE OF THE PEN SYSTEM FOR REGULATING THE FLOW
References Cited (Backward Citations)
US1307782A
Cited
GB190615080A
Cited
US2528408A
Cited
US2648309A
Cited
US3038506A
Cited
US3183893A
Cited
US3116719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |