US3292592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Writing instrument
Assignee: Individual
•
Filing: 1963-02-19
•
Granted: 1966-12-20
•
Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Mervill D Chapman
- 👤 John J Orris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:17
CPC Classifications
B; B43; B43K; B43K24/00; B43K24/02; B43K24/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A WRITING INSTRUMENT, COMPRISING (A) A CAP MEMBER, (B) A BARREL MEMBER CONNECTED TO SAID CAP MEMBER, (C) COUPLING MEANS FOR DETACHABLY CONNECTING SAID MEMBERS WITH THE MEMBERS MOVABLE BETWEEN UNCOUPLED AND COUPLED POSITIONS, AND (D) DRIVE MECHANISM OPERATIVELY SECURED IN AT LEAST ONE OF SAID MEMBERS, (E) SAID DRIVE MECHANISM INCLUDING A BORE FOR DRIVINGLY RECEIVING A SCRIBE ELEMENT THROUGH THE UNCOUPLED END OF SAID ONE MEMBER, (F) SAID DRIVE MECHANISM INCLUDING A DRIVER PART RESPONSIVE TO RELATIVE ROTATIONAL MOVEMENT OF SAID ONE MEMBER IN SAID COUPLED POSITION RELATIVE TO THE OTHER OF SAID MEMBERS FOR MOVING SAID SCRIBE ELEMENT BETWEEN AN ADVANCED AND RETRACTED POSITION, (G) SAID DRIVE MECHANISM INCLUDING WITH SAID DRIVER PART OF DRIVEN PART HAVING COOPERATING COACTING HELICAL SURFACES ROTATED BY SAID BARREL AND CAP MEMBERS FOR CAUSING SAID ADVANCING OR RETRACTING MOVEMENT OF SAID DRIVEN PART,
Claim 2
Dependent Claim
142 words
A WRITING INSTRUMENT, COMPRISING (A) A CAP MEMBER, (B) A BARREL MEMBER CONNECTED TO SAID CAP MEMBER, (C) COUPLING MEANS FOR DETACHABLY CONNECTING SAID MEMBERS WITH THE MEMBERS MOVABLE BETWEEN UNCOUPLED AND COUPLED POSITIONS, AND (D) DRIVE MECHANISM OPERATIVELY SECURED IN AT LEAST ONE OF SAID MEMBERS, (E) SAID DRIVE MECHANISM INCLUDING A BORE FOR DRIVINGLY RECEIVING A SCRIBE ELEMENT THROUGH THE UNCOUPLED END OF SAID ONE MEMBER, (F) SAID DRIVE MECHANISM INCLUDING A DRIVER PART RESPONSIVE TO RELATIVE ROTATIONAL MOVEMENT OF SAID ONE MEMBER IN SAID COUPLED POSITION RELATIVE TO THE OTHER OF SAID MEMBERS FOR MOVING SAID SCRIBE ELEMENT BETWEEN AN ADVANCED AND RETRACTED POSITION, (G) SAID DRIVE MECHANISM INCLUDING WITH SAID DRIVER PART OF DRIVEN PART HAVING COOPERATING COACTING HELICAL SURFACES ROTATED BY SAID BARREL AND CAP MEMBERS FOR CAUSING SAID ADVANCING OR RETRACTING MOVEMENT OF SAID DRIVEN PART,
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |