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Patent US3540354A successfully refreshed from Google Patents.
US3540354A
Expired / Lapsed
US
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Apparatus for applying a filling agent to a corrugated board
Assignee: Honshu Paper Co Ltd
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Filing: 1968-05-20
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Granted: 1970-11-17
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Expires: 1988-05-20
Abstract
No abstract record available.
Inventors
- 👤 Sachihiko Tachibana
- 👤 Shoichi Kawase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:51
CPC Classifications
B; B31; B31F; B31F7/00; B31F7/006; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2822; B31F1/2827; Y; Y10; Y10S; Y10S229/00; Y10S229/939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |