Patent US2968304A successfully refreshed from Google Patents.
US2968304A
Expired / Lapsed
US
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Sanitary pad and method of making
Assignee: Beltx Corp
•
Filing: 1956-10-04
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Granted: 1961-01-17
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Expires: 1976-10-04
Abstract
No abstract record available.
Inventors
- 👤 Woskin Irvin S De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:11
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/531; A61F13/532; A61F13/533; A61F13/15577; A61F13/15707; A61F13/15723; A61F13/539
Claims Analysis
Total Claims: 0
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US2320782A
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US2600882A
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US2569765A
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US2566451A
Cited
FR1064352A
Cited
US2783474A
Cited
US2788003A
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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) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |