Patent US2037134A successfully refreshed from Google Patents.
US2037134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter
Assignee: Individual
•
Filing: 1934-05-05
•
Granted: 1936-04-14
•
Expires: 1954-05-05
Abstract
No abstract record available.
Inventors
- 👤 Jaeger Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:18
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/15; B01D33/25; B01D33/155; B01D33/44; B01D33/52; B01D33/80; B01D33/803
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) | 1939-04-14 | 1939-10-14 | 1940-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-14 | 1943-10-14 | 1944-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-14 | 1947-10-14 | 1948-04-14 | $7700.00 | Window Closed / Lapsed |