Patent US3298357A successfully refreshed from Google Patents.
US3298357A
Expired / Lapsed
US
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Ball-point pencil
Assignee: JACOB RITTER KG
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Filing: 1964-11-19
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Granted: 1967-01-17
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Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Bross Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:36
CPC Classifications
B; B43; B43K; B43K24/00; B43K24/02; B43K24/08; B43K24/084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PENCIL HAVING A BARREL AND A SPRING LOADED WRITING PART RETRACTABLE IN THE BARREL, A PRESSING PIN CARRIED IN THE BARREL FOR ACTUATING THE WRITING PART, A ROTATABLE OPERATING MEMBER FOR ABUTTING THE WRITING PART, CAMMED RETRACTING MEANS COMPRISING LONG AND SHORT NOTCHES IN SAID BARREL EXTENDING IN AXIAL DIRECTION OF THE BARREL AND CAM SURFACES EXTENDING BETWEEN THE BARREL AND THE OPERATING MEMBERS, THE CAM SURFACES BEING DISPOSED ON SAID OPERATING MEMBER AND ADAPTED TO ENGAGE ALTERNATELY IN SAID LONG NOTCHES AND SAID SHORT NOTCHES IN RESPONSE TO MOVEMENT OF SAID PRESSING PIN, IN WHICH A ROTATABLE RESILIENT INTERMEDIATE MEMBER OPERATIONALLY INTERENGAGES THE PRESSING PIN WITH THE OPERATING MEMBER.
Claim 2
Dependent Claim
111 words
A PENCIL HAVING A BARREL AND A SPRING LOADED WRITING PART RETRACTABLE IN THE BARREL, A PRESSING PIN CARRIED IN THE BARREL FOR ACTUATING THE WRITING PART, A ROTATABLE OPERATING MEMBER FOR ABUTTING THE WRITING PART, CAMMED RETRACTING MEANS COMPRISING LONG AND SHORT NOTCHES IN SAID BARREL EXTENDING IN AXIAL DIRECTION OF THE BARREL AND CAM SURFACES EXTENDING BETWEEN THE BARREL AND THE OPERATING MEMBERS, THE CAM SURFACES BEING DISPOSED ON SAID OPERATING MEMBER AND ADAPTED TO ENGAGE ALTERNATELY IN SAID LONG NOTCHES AND SAID SHORT NOTCHES IN RESPONSE TO MOVEMENT OF SAID PRESSING PIN, IN WHICH A ROTATABLE RESILIENT INTERMEDIATE MEMBER OPERATIONALLY INTERENGAGES THE PRESSING PIN WITH THE OPERATING MEMBER.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |