US2472343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain pen
Assignee: Individual
•
Filing: 1946-03-19
•
Granted: 1949-06-07
•
Expires: 1966-03-19
Abstract
No abstract record available.
Inventors
- 👤 Anthony G Rosa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:50
CPC Classifications
B; B43; B43K; B43K8/00; B43K8/16; B43K8/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US211575A
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US698859A
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US769427A
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US979606A
Cited
US1289921A
Cited
US1811992A
Cited
US2033164A
Cited
US2151682A
Cited
US2189696A
Cited
US2397229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |