US1904358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain pen
Assignee: Parker Pen Co
•
Filing: 1933-01-24
•
Granted: 1933-04-18
•
Expires: 1953-01-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur O Dahlberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:37
CPC Classifications
B; B43; B43K; B43K5/00; B43K5/02; B43K5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-04-17 | 1936-10-17 | 1937-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-04-17 | 1940-10-17 | 1941-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-04-17 | 1944-10-17 | 1945-04-18 | $7700.00 | Window Closed / Lapsed |