US3032802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felt pen
Assignee: Maruzen KK
•
Filing: 1959-12-15
•
Granted: 1962-05-08
•
Expires: 1979-12-15
Abstract
No abstract record available.
Inventors
- 👤 Kusama Shojiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:17
CPC Classifications
B; B43; B43K; B43K5/00; B43K5/18; B43K5/1818; B43K5/1827; B43K5/1836; B43K5/1845
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189802889A
Cited
US1166896A
Cited
GB252428A
Cited
US2320823A
Cited
US2624902A
Cited
FR1049071A
Cited
US2805641A
Cited
US2913749A
Cited
FR1193795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |