Patent US3254147A successfully refreshed from Google Patents.
US3254147A
Expired / Lapsed
US
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Method of manufacturing ball-pen points of synthetic resin
Assignee: Individual
•
Filing: 1962-04-16
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Granted: 1966-05-31
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Nakada Tozaburo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:35
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/22; B29C53/30; B29C57/00; B29C57/10; B29C65/00; B29C65/56; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/12; B29C66/122; B29C66/1222; B29C66/1224; B29C66/13; B29C66/131; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/61; B29C66/612; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C67/00; B29C67/0014; B43; B43K; B43K1/00; B43K1/08; B43K15/00; B43K15/02; B29L; B29L2031/00; B29L2031/725; B29L2031/7252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1740144A
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US2169315A
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US2498009A
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US2582383A
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US2932890A
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US3128504A
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |