US2973759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colostomy unit
Assignee: Individual
•
Filing: 1956-11-16
•
Granted: 1961-03-07
•
Expires: 1976-11-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Mis William S Plymale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:24
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2154202A
Cited
US2223566A
Cited
GB555852A
Cited
US2504872A
Cited
US2689567A
Cited
US2784718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |