US3080600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felt-tipped marking pen with composite ink reservoir
Assignee: Felters Co
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Filing: 1962-05-22
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Granted: 1963-03-12
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Expires: 1982-05-22
Abstract
No abstract record available.
Inventors
- 👤 Raymond R Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:05
CPC Classifications
B; B43; B43K; B43K8/00; B43K8/02; Y; Y10; Y10T; Y10T442/00; Y10T442/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A MARKING PEN COMPRISING AN ELONGATED LIQUID-TIGHT CONTAINER HAVING AN OPENING IN ONE END THEREOF, A NIB OF FELTED FIBERS DISPOSED IN SAID OPENING AND EXTENDING OUTWARDLY OF SAID CONTAINER, A CAP ENCLOSING THE OUTWARDLY EXTENDING PORTION OF SAID NIB AND CLOSING SAID OPENING, AND AN INK RESERVOIR WITHIN SAID CONTAINER COMPRISING AN ELONGATED BODY OF RANDOMLY DISPOSED FELTED FIBERS, SAID BODY CONTAINING A PLURALITY OF TEXTILE FIBER STRANDS ARRANGED IN TWO OR MORE LAYERS WITHIN SAID BODY AND EXTENDING PARALLEL TO EACH OTHER ALONG APPROXIMATELY STRAIGHT LINES FROM ONE END OF SAID BODY TO THE OTHER LENGTHWISE OF SAID BODY, THE INNER END OF SAID NIB ENGAGING SAID BODY AND SAID STRANDS.
Claim 2
Dependent Claim
113 words
A MARKING PEN COMPRISING AN ELONGATED LIQUID-TIGHT CONTAINER HAVING AN OPENING IN ONE END THEREOF, A NIB OF FELTED FIBERS DISPOSED IN SAID OPENING AND EXTENDING OUTWARDLY OF SAID CONTAINER, A CAP ENCLOSING THE OUTWARDLY EXTENDING PORTION OF SAID NIB AND CLOSING SAID OPENING, AND AN INK RESERVOIR WITHIN SAID CONTAINER COMPRISING AN ELONGATED BODY OF RANDOMLY DISPOSED FELTED FIBERS, SAID BODY CONTAINING A PLURALITY OF TEXTILE FIBER STRANDS ARRANGED IN TWO OR MORE LAYERS WITHIN SAID BODY AND EXTENDING PARALLEL TO EACH OTHER ALONG APPROXIMATELY STRAIGHT LINES FROM ONE END OF SAID BODY TO THE OTHER LENGTHWISE OF SAID BODY, THE INNER END OF SAID NIB ENGAGING SAID BODY AND SAID STRANDS.
References Cited (Backward Citations)
USRE21890E
Cited
US2943379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |