Patent US2926667A successfully refreshed from Google Patents.
US2926667A
Expired / Lapsed
US
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Cellulosic product
Assignee: Kimberly Clark Corp
•
Filing: 1956-04-09
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Granted: 1960-03-01
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Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Burger
- 👤 Howard N Nelson
- 👤 Carl H Rowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:47
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051; A61F13/2065; A61F13/15577; A61F13/15666; A61F13/2082; A61F13/2085; Y; Y10; Y10S; Y10S604/00; Y10S604/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1724111A
Cited
US1926500A
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GB520209A
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GB568042A
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US2462178A
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US2412861A
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US2688163A
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US2553000A
Cited
GB710670A
Cited
US2761449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |