US1929564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump for delivering measured quantities of liquid
Assignee: Individual
•
Filing: 1933-02-21
•
Granted: 1933-10-10
•
Expires: 1953-02-21
Abstract
No abstract record available.
Inventors
- 👤 Rolph William Mair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:12
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/0005; B05B11/0062; B05B11/0064; B05B11/01; B05B11/10; B05B11/1001; B05B11/1004; B05B11/1005; B05B11/1007; B05B11/1015; B05B11/1042; B05B11/108; G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; G01F11/025; G01F11/028
Claims Analysis
Total Claims: 0
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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) | 1936-10-09 | 1937-04-10 | 1937-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-09 | 1941-04-10 | 1941-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-09 | 1945-04-10 | 1945-10-10 | $7700.00 | Window Closed / Lapsed |