US2594083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball-point pen and cap
Assignee: Individual
•
Filing: 1948-07-08
•
Granted: 1952-04-22
•
Expires: 1968-07-08
Abstract
No abstract record available.
Inventors
- 👤 Silver Frank Vern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:17
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/08; B43K23/12; B43K23/126; B43K7/00; B43K7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1550599A
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CH218660A
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US2278907A
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CH222566A
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GB564172A
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US2489983A
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US2427033A
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US2452504A
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US2474996A
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US2519635A
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US2514729A
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US2449939A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |