US3402008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing instrument
Assignee: Parker Pen Co
•
Filing: 1964-12-18
•
Granted: 1968-09-17
•
Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 Homer T Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:11
CPC Classifications
B; B43; B43K; B43K8/00; B43K8/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A FOUNTAIN PEN COMPRISING, A HOUSING, AN INK RESERVOIR DISPOSED IN SAID HOUSING, A WRITING NIB HAVING A PLURALITY OF CAPILLARY PASSAGEWAYS THEREIN MOUNTED IN ONE END OF SAID HOUSING, A FEED BAR DISPOSED IN SAID HOUSING AND EXTENDING BETWEEN SAID NIB AND SAID RESERVOIR, SAID FEED BAR HAVING A CAPILLARY PASSAGEWAY CONNECTED FROM SAID RESERVOIR TO SAID NIB, SAID FEED BAR BEING MOUNTED FOR RECIPROCATION RELATIVE TO SAID HOUSING AND SAID RESERVOIR, A TUBULAR MEMBER SURROUNDING SAID FEED BAR INTERMEDIATE ITS ENDS AND DEFINING THEREWITH A WEIR CHAMBER OF CAPILLARY OF SAID WEIR CHAMBER BEING LESS THAN THE CAPILLARY OF THE PORTION OF SAID FEED PASSAGEWAY EXTENDING THERETHROUGH, SAID TUBULAR MEMBER DEFINING A COLLECTOR CHAMBER AND HAVING A PASSAGEWAY THEREIN INTERCONNECTING SAID WEIR CHAMBER AND SAID COLLECTOR CHAMBER, AND
Claim 2
Dependent Claim
130 words
A FOUNTAIN PEN COMPRISING, A HOUSING, AN INK RESERVOIR DISPOSED IN SAID HOUSING, A WRITING NIB HAVING A PLURALITY OF CAPILLARY PASSAGEWAYS THEREIN MOUNTED IN ONE END OF SAID HOUSING, A FEED BAR DISPOSED IN SAID HOUSING AND EXTENDING BETWEEN SAID NIB AND SAID RESERVOIR, SAID FEED BAR HAVING A CAPILLARY PASSAGEWAY CONNECTED FROM SAID RESERVOIR TO SAID NIB, SAID FEED BAR BEING MOUNTED FOR RECIPROCATION RELATIVE TO SAID HOUSING AND SAID RESERVOIR, A TUBULAR MEMBER SURROUNDING SAID FEED BAR INTERMEDIATE ITS ENDS AND DEFINING THEREWITH A WEIR CHAMBER OF CAPILLARY OF SAID WEIR CHAMBER BEING LESS THAN THE CAPILLARY OF THE PORTION OF SAID FEED PASSAGEWAY EXTENDING THERETHROUGH, SAID TUBULAR MEMBER DEFINING A COLLECTOR CHAMBER AND HAVING A PASSAGEWAY THEREIN INTERCONNECTING SAID WEIR CHAMBER AND SAID COLLECTOR CHAMBER, AND
References Cited (Backward Citations)
GB413764A
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US2684052A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |