Patent EP0917886A1 successfully refreshed from Google Patents.
US2097028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid controlling device
Assignee: Individual
•
Filing: 1934-03-30
•
Granted: 1937-10-26
•
Expires: 1954-03-30
Abstract
No abstract record available.
Inventors
- 👤 Major E Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:44
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/02; B05B7/04; B05B7/0408; B05B7/24; B05B7/26; B05B7/28; B05B7/32
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) | 1940-10-25 | 1941-04-26 | 1941-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-10-25 | 1945-04-26 | 1945-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-10-25 | 1949-04-26 | 1949-10-26 | $7700.00 | Window Closed / Lapsed |