Patent US3447536A successfully refreshed from Google Patents.
US3447536A
Expired / Lapsed
US
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External wearable urinal and rectal pouch device
Assignee: ANNA D E SNYDER
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Filing: 1966-02-25
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Granted: 1969-06-03
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Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Anna D E Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:14
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/451; A61F5/453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US205912A
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US1229423A
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US2277043A
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US2484356A
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US2648335A
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US2706985A
Cited
US3043307A
Cited
US3306296A
Cited
US3356091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |