Patent US2761449A successfully refreshed from Google Patents.
US2761449A
Expired / Lapsed
US
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Cellulosic product
Assignee: Kimberly Clark Corp
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Filing: 1954-12-17
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Granted: 1956-09-04
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Expires: 1974-12-17
Abstract
No abstract record available.
Inventors
- 👤 John C Bletzinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:18
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051; Y; Y10; Y10S; Y10S604/00; Y10S604/904
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |