Patent US2424731A successfully refreshed from Google Patents.
US2424731A
Expired / Lapsed
US
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Fountain pen
Assignee: AUTOPOINT CO
•
Filing: 1945-03-08
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Granted: 1947-07-29
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Expires: 1965-03-08
Abstract
No abstract record available.
Inventors
- 👤 Hans A Bauer
- 👤 Fred D Woods
- 👤 Garfield L Beckstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:23
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/08; B43K23/12; B43K23/126; B43K5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US673359A
Cited
US1558553A
Cited
US1735199A
Cited
US2149557A
Cited
US2223541A
Cited
US2305287A
Cited
US2375770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-28 | 1951-01-27 | 1951-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-28 | 1955-01-27 | 1955-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-28 | 1959-01-27 | 1959-07-29 | $7700.00 | Window Closed / Lapsed |