US2676349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain writing instrument
Assignee: DRI FLO Manufacturing CO
•
Filing: 1948-07-08
•
Granted: 1954-04-27
•
Expires: 1968-07-08
Abstract
No abstract record available.
Inventors
- 👤 Guy M Vosburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:02
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/08; B43K23/12; B43K8/00; B43K8/02; B43K8/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426622A
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AT157012B
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US2416596A
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US2453201A
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US2593599A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |