Patent US1599741A successfully refreshed from Google Patents.
US1599741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood-transfusions apparatus
Assignee: E Leitz Inc
•
Filing: 1924-07-10
•
Granted: 1926-09-14
•
Expires: 1944-07-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Billings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:47
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/60; A61M1/63; A61M1/02; A61M1/64; A61M1/67
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-09-13 | 1930-03-15 | 1930-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-09-13 | 1934-03-15 | 1934-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-09-13 | 1938-03-15 | 1938-09-14 | $7700.00 | Window Closed / Lapsed |