US3209453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the cold rough shaping of ball pen points
Assignee: Real Patentauswertungs Anstalt
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Filing: 1961-06-20
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Granted: 1965-10-05
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Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 Bertoglio Guido
- 👤 Albertini Sauro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:14
CPC Classifications
B; B43; B43K; B43K1/00; B43K1/08; B43K1/084; B21; B21C; B21C23/00; B21C23/02; B21J; B21J5/00; B21J5/06; B21J5/08; B21K; B21K1/00; B21K1/44; B43K7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19348E
Cited
CA479834A
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US2030290A
Cited
US2265839A
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US2667650A
Cited
US3031908A
Cited
US3009177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |