US2902978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain pens
Assignee: Individual
•
Filing: 1956-11-29
•
Granted: 1959-09-08
•
Expires: 1976-11-29
Abstract
No abstract record available.
Inventors
- 👤 Legnani Umberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:37
CPC Classifications
B; B65; B65B; B65B35/00; B65B35/06; B65B35/08; B43; B43K; B43K5/00; B43K5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE321847C
Cited
US1783681A
Cited
US2045774A
Cited
DE701989C
Cited
FR849136A
Cited
GB578084A
Cited
CH260332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |