US2533726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous delivery chemical wash bottle
Assignee: Lankenau Medical Center
•
Filing: 1946-08-22
•
Granted: 1950-12-12
•
Expires: 1966-08-22
Abstract
No abstract record available.
Inventors
- 👤 Norman F Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:35
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE609346C
Cited
US1009980A
Cited
US605146A
Cited
US1651256A
Cited
US2172575A
Cited
US787591A
Cited
US1370706A
Cited
US1993001A
Cited
US1973755A
Cited
US2099083A
Cited
US2091404A
Cited
US2182742A
Cited
US2105957A
Cited
US2163555A
Cited
US2410552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |