US2546779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colostomy appliance
Assignee: Individual
•
Filing: 1946-08-15
•
Granted: 1951-03-27
•
Expires: 1966-08-15
Abstract
No abstract record available.
Inventors
- 👤 Bernard H Polcyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:39
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE375180C
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FR752361A
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FR435993A
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US1389531A
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US2048392A
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US2078512A
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GB469975A
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US2129054A
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US2205270A
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US2341984A
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US2327514A
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US2423060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |