US1645834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valveless pump
Assignee: SAMGA ET BAVOX ETS
•
Filing: 1924-03-11
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Granted: 1927-10-18
•
Expires: 1944-03-11
Abstract
No abstract record available.
Inventors
- 👤 Voreaux Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:07
CPC Classifications
F; F04; F04B; F04B7/00; F04B7/04; F04B7/06; F04B1/00; F04B1/04; F04B1/0404; F04B1/0408; F04B1/053
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) | 1930-10-17 | 1931-04-18 | 1931-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-10-17 | 1935-04-18 | 1935-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-10-17 | 1939-04-18 | 1939-10-18 | $7700.00 | Window Closed / Lapsed |