US2557409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain pen
Assignee: Scripto Inc
•
Filing: 1945-11-07
•
Granted: 1951-06-19
•
Expires: 1965-11-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Brinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:39
CPC Classifications
B; B43; B43K; B43K7/00; B43K7/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US440712A
Cited
US659925A
Cited
US849110A
Cited
US1112409A
Cited
US1472576A
Cited
US1493680A
Cited
US2249163A
Cited
US2390636A
Cited
US2397229A
Cited
US2416896A
Cited
US2409847A
Cited
US2427033A
Cited
US2504649A
Cited
US2427069A
Cited
US2426453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |