Patent US3298599A successfully refreshed from Google Patents.
US3298599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump nozzle
Assignee: Consolidated Vacuum Corp
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Filing: 1964-06-22
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Granted: 1967-01-17
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Benjamin B Dayton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:39
CPC Classifications
F; F04; F04F; F04F9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PUMPING FLUID NOZZLE COMPRISING A PUMPING FLUID ORIFICE, A WALL STRUCTURE GUIDING PUMPING FLUID FROM SAID ORIFICE AND DEFINING AT LEAST ONE RECESS FOR RECIRCULATING PART OF THE PUMPING FLUID FLOWING PAST SAID WALL STRUCTURE,
Claim 2
Dependent Claim
36 words
A PUMPING FLUID NOZZLE COMPRISING A PUMPING FLUID ORIFICE, A WALL STRUCTURE GUIDING PUMPING FLUID FROM SAID ORIFICE AND DEFINING AT LEAST ONE RECESS FOR RECIRCULATING PART OF THE PUMPING FLUID FLOWING PAST SAID WALL STRUCTURE,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |