Patent US3064624A successfully refreshed from Google Patents.
US3064624A
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US
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Writing device
Assignee: RADIANT PEN CORP
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Filing: 1955-12-30
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Granted: 1962-11-20
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Expires: 1975-12-30
Abstract
No abstract record available.
Inventors
- 👤 Hechtle Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:16
CPC Classifications
B; B43; B43K; B43K24/00; B43K24/02; B43K24/08; B43K24/084; G; G09; G09F; G09F23/00; G09F2023/0016
Claims Analysis
Total Claims: 0
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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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |