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US2708903A
Expired / Lapsed
US
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Writing instruments of the ball tip type
Assignee: Uruguaya De Fomento Industrial S A Cia
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Filing: 1950-06-23
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Granted: 1955-05-24
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Expires: 1970-06-23
Abstract
No abstract record available.
Inventors
- 👤 Fehling Hans Reinhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:05
CPC Classifications
B; B43; B43K; B43K7/00; B43K7/02; B43K7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1864050A
Cited
US2099891A
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US2107700A
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US2249961A
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US2444003A
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US2506035A
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US2408256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |