Patent US3028863A successfully refreshed from Google Patents.
US3028863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable enema units
Assignee: Individual
•
Filing: 1959-10-14
•
Granted: 1962-04-10
•
Expires: 1979-10-14
Abstract
No abstract record available.
Inventors
- 👤 Roger P Mattson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:49
CPC Classifications
A; A61; A61M; A61M3/00; A61M3/02; A61M3/0233; A61M3/0245; A61M2207/00; Y; Y10; Y10S; Y10S128/00; Y10S128/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |