Patent US3048117A successfully refreshed from Google Patents.
US3048117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump with flow-restrictive orifice
Assignee: Shell USA Inc
•
Filing: 1960-08-05
•
Granted: 1962-08-07
•
Expires: 1980-08-05
Abstract
No abstract record available.
Inventors
- 👤 Earl P Franzen
- 👤 Victor F Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:28
CPC Classifications
F; F04; F04D; F04D15/00; F04D15/0005; F04D15/0022
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1195915A
Cited
US1914919A
Cited
US2190670A
Cited
US2268358A
Cited
US2291478A
Cited
US2667127A
Cited
US2715016A
Cited
US2784673A
Cited
US2857850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |