US1927799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pump
Assignee: Goulds Pumps Inc
•
Filing: 1932-03-07
•
Granted: 1933-09-19
•
Expires: 1952-03-07
Abstract
No abstract record available.
Inventors
- 👤 Mann John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:38
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/04; F04D9/041; F04B; F04B23/00; F04B23/04; F04B23/08; F04C; F04C11/00; F04C11/005; F04C15/00; F04C15/0042
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) | 1936-09-18 | 1937-03-20 | 1937-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-18 | 1941-03-20 | 1941-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-18 | 1945-03-20 | 1945-09-19 | $7700.00 | Window Closed / Lapsed |