Patent US1315823A successfully refreshed from Google Patents.
Patent US1794575A successfully refreshed from Google Patents.
US1794575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling means for plunger pumps
Assignee: Individual
•
Filing: 1929-05-06
•
Granted: 1931-03-03
•
Expires: 1949-05-06
Abstract
No abstract record available.
Inventors
- 👤 Borletti Senatore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:33
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/26; F04B1/30; F04B1/32; F04B1/324; F04B1/122; F04B1/124; F04B1/126; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024; Y10T74/18056; Y10T74/18296; Y10T74/18336
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) | 1934-03-02 | 1934-09-01 | 1935-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-03-02 | 1938-09-01 | 1939-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-03-02 | 1942-09-01 | 1943-03-03 | $7700.00 | Window Closed / Lapsed |