US3273541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable resilient writing instrument
Assignee: Parker Pen Co
•
Filing: 1963-09-18
•
Granted: 1966-09-20
•
Expires: 1983-09-18
Abstract
No abstract record available.
Inventors
- 👤 Richard L Thurman
- 👤 August J Coutre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:22
CPC Classifications
B; B43; B43K; B43K7/00; B43K7/12; B43K24/00; B43K24/02; B43K24/08; B43K24/084
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
157 words
IN A WRITING INSTRUMENT OF THE TYPE COMPRISING A HOUSING HAVING AN OPEN END, A WRITING UNIT INCLUDING A WRITING TIP, SAID WRITING UNIT BEING MOUNTED MOVABLY IN SAID HOUSING FOR MOVEMENT BETWEEN A PROJECTED POSITION IN WHICH THE TIP EXTENDS THROUGH AND BEYOND THE OPEN END OF SAID HOUSING AND A RETRACTED POSITION IN WHICH THE TIP IS WITHDRAWN INTO SAID HOUSING, ACTUATING MEANS FOR MOVING SAID UNIT BETWEEN SAID POSITIONS, RETAINING MEANS FOR RETAINING SAID UNIT IN SAID PROJECTED POSITION AND MEANS FOR DISABLING SAID RETAINING MEANS TO ALLOW SAID UNIT TO MOVE TO SAID RETRACTED POSITION, THE IMPROVEMENT COMPRISING; MEANS FOR SUPPORTING SAID RETAINING MEANS MOVABLY WITHIN SAID HOUSING AND RESILIENT MEANS URGING SAID RETAINING MEANS TOWARD THE OPEN END OF SAID HOUSING, SID RETAINING MEANS BEING YIELDABLE AGAINST THE INFLUENCE OF SAID RESILIENT MEANS AWAY FROM THE OPEN END OF SAID HOUSING IN RESPONSE TO THE APPLICATION OF PRESSURE TO SAID WRITING TIP.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |