US3272184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing instrument of the retractable type
Assignee: BARROWS IND Inc
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Filing: 1963-12-02
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Granted: 1966-09-13
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Expires: 1983-12-02
Abstract
No abstract record available.
Inventors
- 👤 William G Crowley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:12
CPC Classifications
B; B43; B43K; B43K24/00; B43K24/02; B43K24/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
160 words
IN A WRITING INSTRUMENT HAVING A RETRACTABLE WRITING END, AN ELONGATED TUBULAR MEMBER, A TUBULAR BARREL ENVELOPING SAID TUBULAR MEMBER, AN ADAPTOR, THE FORWARD PORTION OF WHICH SLIDABLY AND NON-ROTATABLY ENGAGES THE REAR PORTION OF SAID TUBULAR MEMBER, THE REAR PORTION OF SAID ADAPTOR HAVING A HELICAL THREAD FORMED THEREON, A WRITING CARTRIDGE EXTENDING THROUGH SAID TUBULAR MEMBER AND BEING CONNECTED TO SAID ADAPTOR, WHEREIN SAID CARTRIDGE IS LONGITUDINALLY MOVABLE WITH SAID ADAPTOR AND WITH RESPECT TO SAID TUBULAR MEMBER, A POINT JOINED TO THE FORWARD END OF SAID TUBULAR MEMBER, A FITTING THREADABLY ENGAGING THE THREADED PORTION OF SAID ADAPTOR, AND AN OPERATING CAP SECURED TO SAID FITTING AND BEING ROTATABLE TO PRODUCE A CORRESPONDING ROTARY MOVEMENT OF SAID FITTING, SAID ADAPTOR AND SAID CARTRIDGE CONNECTED THERETO BEING MOVABLE IN A LONGITUDINAL DIRECTION IN RESPONSE TO THE ROTARY MOVEMENT OF SAID FITTING, WHEREIN THE WRITING END OF SAID CARTRIDGE IS EXPELLED FROM OR RETRACTED INTO SAID POINT AS REQUIRED.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |