US2958085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain pen
Assignee: Faber Castell AG
•
Filing: 1956-07-23
•
Granted: 1960-11-01
•
Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 Matschkal Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:15
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/08; B43K23/12; B43K8/00; B43K8/02; B43K8/04; B43K8/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2732824A
Cited
US950483A
Cited
US1413311A
Cited
GB499903A
Cited
US2466785A
Cited
US2554654A
Cited
US2514729A
Cited
US2640216A
Cited
US2528921A
Cited
US2713176A
Cited
US2802450A
Cited
US2880703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |