Patent FR508236A successfully refreshed from Google Patents.
US3528601A
Expired / Lapsed
US
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Tearing tape means for tubular film package
Assignee: Asahi Kasei Corp
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Filing: 1968-07-01
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Granted: 1970-09-15
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Expires: 1988-07-01
Abstract
No abstract record available.
Inventors
- 👤 Mikio Ito
- 👤 Shohei Hoshino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:00
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5827; B65D75/5833; B65D75/5838; A; A22; A22C; A22C13/00; A22C2013/0036; B65D75/04; B65D75/06; B65D75/10; Y; Y10; Y10S; Y10S206/00; Y10S206/802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2897087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |