US3361516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracing implements
Assignee: E LE FOYER AND CIE Ste
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Filing: 1965-10-23
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Granted: 1968-01-02
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Rigondaud Guy Frederic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:22
CPC Classifications
B; B43; B43K; B43K8/00; B43K8/02; B43K8/04; B43K8/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A TRACING IMPLEMENT USING A LIQUID INK: A TRACING MEMBER COMPRISING A PLURALITY OF CONTIGUOUS WIRE ELEMENTS ARRANGED PARALLEL TO EACH OTHER AND ASSEMBLED IN THE FORM OF A BUNDLE HAVING A SUBSTANTIALLY CIRCULAR CROSSSECTION, A TUBE SURROUNDING THE ELEMENTS IN CONTACT WITH THE OUTER SURFACE OF THE SAID BUNDLE AND INCLUDING INTERNAL PROJECTION MEANS EXERTING SUFFICIENT PRESSURE ON THE BUNDLE TO IMMOBILIZE SAID ELEMENTS WITH RESPECT TO A LONGITUDINAL MOVEMENT RELATIVE TO EACH OTHER UNDER THE EFFECT OF THE APPLICATION OF THE TRACING TIP ON A WRITING SURFACE IN WHICH THE TUBE HAS A TRAVERSING WINDOW SURROUNDED BY A MOLDABLE PLASTIC MATERIAL FILLING THE WINDOW AND EXERTING PRESSURE ON THE PORTION OF THE BUNDLE UNCOVERED BY THE SAID WINDOW.
Claim 2
Dependent Claim
121 words
IN A TRACING IMPLEMENT USING A LIQUID INK: A TRACING MEMBER COMPRISING A PLURALITY OF CONTIGUOUS WIRE ELEMENTS ARRANGED PARALLEL TO EACH OTHER AND ASSEMBLED IN THE FORM OF A BUNDLE HAVING A SUBSTANTIALLY CIRCULAR CROSSSECTION, A TUBE SURROUNDING THE ELEMENTS IN CONTACT WITH THE OUTER SURFACE OF THE SAID BUNDLE AND INCLUDING INTERNAL PROJECTION MEANS EXERTING SUFFICIENT PRESSURE ON THE BUNDLE TO IMMOBILIZE SAID ELEMENTS WITH RESPECT TO A LONGITUDINAL MOVEMENT RELATIVE TO EACH OTHER UNDER THE EFFECT OF THE APPLICATION OF THE TRACING TIP ON A WRITING SURFACE IN WHICH THE TUBE HAS A TRAVERSING WINDOW SURROUNDED BY A MOLDABLE PLASTIC MATERIAL FILLING THE WINDOW AND EXERTING PRESSURE ON THE PORTION OF THE BUNDLE UNCOVERED BY THE SAID WINDOW.
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |