Patent US2480718A successfully refreshed from Google Patents.
US2480718A
Expired / Lapsed
US
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Fountain pen
Assignee: Individual
•
Filing: 1944-04-22
•
Granted: 1949-08-30
•
Expires: 1964-04-22
Abstract
No abstract record available.
Inventors
- 👤 Donato Giuseppe
- 👤 Thomas H Broomall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:06
CPC Classifications
B; B43; B43K; B43K5/00; B43K5/02; B43K5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US737697A
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US2005179A
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US2105189A
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US2149557A
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US2223541A
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US2234812A
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US2282840A
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US2305287A
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US2316479A
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US2328116A
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US2335223A
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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) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |