Patent US3251340A successfully refreshed from Google Patents.
US3251340A
Expired / Lapsed
US
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Machine for bonding fibers of a web at given intervals
Assignee: Otafuku Wata KK
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Filing: 1963-08-14
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Granted: 1966-05-17
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Harada Noriaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:09
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/00987; A61F13/00991; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/66; D04H1/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2039312A
Cited
US2719337A
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US2698574A
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US3033702A
Cited
US3088859A
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US3110609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |