Patent US3729168A successfully refreshed from Google Patents.
Patent US2641507A successfully refreshed from Google Patents.
US2641507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for admixing a cleansing agent with a stream of fluid
Assignee: W E T RYAN
•
Filing: 1950-06-02
•
Granted: 1953-06-09
•
Expires: 1970-06-02
Abstract
No abstract record available.
Inventors
- 👤 George F Mcgregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:34
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/02; B05B7/12; A; A47; A47L; A47L17/00; B05B7/24; B05B7/2402; B05B7/244; B05B7/2443
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) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |