Patent US1220908A successfully refreshed from Google Patents.
US2416596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain pen
Assignee: Individual
•
Filing: 1944-02-04
•
Granted: 1947-02-25
•
Expires: 1964-02-04
Abstract
No abstract record available.
Inventors
- 👤 Rosenthal Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:09
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/08; B43K23/12; B43K23/126; B43K8/00; B43K8/02; B43K8/024
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US596951A
Cited
US734116A
Cited
US1458281A
Cited
US1786723A
Cited
US2097496A
Cited
US2140009A
Cited
US2267075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |