Patent US2583718A successfully refreshed from Google Patents.
US2583718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colostomy appliance
Assignee: Individual
•
Filing: 1950-03-03
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Granted: 1952-01-29
•
Expires: 1970-03-03
Abstract
No abstract record available.
Inventors
- 👤 Daniel W Walls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:57
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/442; Y; Y10; Y10S; Y10S4/00; Y10S4/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US544105A
Cited
GB190721913A
Cited
US1749050A
Cited
US2065226A
Cited
US2458308A
Cited
US2568857A
Cited
US2489967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |