US3475591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for electrically perforating cigarette papers
Assignee: FUJIKAWA PAPER Mfg CO Ltd
•
Filing: 1968-02-29
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Granted: 1969-10-28
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Expires: 1988-02-29
Abstract
No abstract record available.
Inventors
- 👤 Mitsuo Fujii
- 👤 Chitoku Kumagai
- 👤 Zenji Katagata
- 👤 Seiichi Inoue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:01
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/26; B26F1/28; A; A24; A24C; A24C5/00; A24C5/005; A24C5/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2550366A
Cited
US3167641A
Cited
DE1105699B
Cited
US3098143A
Cited
US3348022A
Cited
US3385951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |