Patent US3497380A successfully refreshed from Google Patents.
US3497380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil absorbent,oil resistant impregnated paper
Assignee: Kimberly Clark Corp
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Filing: 1966-11-22
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Granted: 1970-02-24
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Expires: 1986-11-22
Abstract
No abstract record available.
Inventors
- 👤 Robert E Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:17
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/41; D21H17/42; D21H17/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB788381A
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US2791520A
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US3055496A
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US2947338A
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US3011882A
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US3026217A
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US3019134A
Cited
US3027337A
Cited
US3309224A
Cited
US3308007A
Cited
US3345204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |