US3055504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialyzer constructions
Assignee: Individual
•
Filing: 1958-10-29
•
Granted: 1962-09-25
•
Expires: 1978-10-29
Abstract
No abstract record available.
Inventors
- 👤 Eugene L Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:17
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/24; B01D61/28; B01D63/00; B01D63/16; B01D2315/00; B01D2315/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734015A
Cited
US966177A
Cited
US1119176A
Cited
US1585817A
Cited
US2288532A
Cited
US2675349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |