Patent US2669429A successfully refreshed from Google Patents.
Patent US2445220A successfully refreshed from Google Patents.
US2445220A
Expired / Lapsed
US
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Urinary pad
Assignee: Individual
•
Filing: 1945-11-13
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Granted: 1948-07-13
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Expires: 1965-11-13
Abstract
No abstract record available.
Inventors
- 👤 Isaacson Susan Louise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/4401; A61F13/00; A61F13/15; A61F13/45; A61F13/47; A61F13/471; A61F13/51; A61F13/511; A61F13/53; A61F13/534; A61F13/514; A61F13/51401; A61F2013/51409; A61F13/51474; A61F2013/51486; A61F2013/51492; A61F2013/53445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |