Patent US3629562A successfully refreshed from Google Patents.
Patent US3021843A successfully refreshed from Google Patents.
US3021843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stoma receiving appliance with sealing sleeve having enlarged attachment portion
Assignee: Individual
•
Filing: 1958-05-13
•
Granted: 1962-02-20
•
Expires: 1978-05-13
Abstract
No abstract record available.
Inventors
- 👤 Perry Murle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:06
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/445
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1423537A
Cited
US2524750A
Cited
GB667012A
Cited
US2684676A
Cited
US2759477A
Cited
US2869548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |