US3094938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump structure
Assignee: Aro Corp
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Filing: 1961-06-19
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Granted: 1963-06-25
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Expires: 1981-06-19
Abstract
No abstract record available.
Inventors
- 👤 Loren C Blomeke
- 👤 Wilbert G Kautz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:58
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/12; F04B53/122; F16; F16N; F16N13/00; F16N13/02; F16N13/06; F16N13/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A PUMP STRUCTURE OF THE CHARACTER DESCRIBED, A SINGLE, ELONGATED SUPPORTING TUBE, A PAIR OF SPACED PLUGS THEREIN DIVIDING SAID TUBE INTO A LOWER FLUID PUMP CHAMBER, AN UPPER AIR MOTOR CHAMBER AND A SEPARATION CHAMBER BETWEEN SAID FLUID PUMP AND AIR MOTOR CHAMBERS, AN AIR NIPPLE THROUGH THE WALL OF SAID SUPPORTING TUBE INTO SAID UPPER PLUG, AN AIR MOTOR IN SAID AIR MOTOR CHAMBER ACTUATED BY COMPRESSED AIR SUPPLIED TO SAID AIR NIPPLE, A FLUID NIPPLE THROUGH THE WALL OF SAID SUPPORTING TUBE INTO SAID LOWER PLUG, A FLUID PUMP IN SAID FLUID PUMP CHAMBER FOR DELIVERING FLUID TO SAID FLUID NIPPLE, A TUBU-
Claim 2
Dependent Claim
107 words
IN A PUMP STRUCTURE OF THE CHARACTER DESCRIBED, A SINGLE, ELONGATED SUPPORTING TUBE, A PAIR OF SPACED PLUGS THEREIN DIVIDING SAID TUBE INTO A LOWER FLUID PUMP CHAMBER, AN UPPER AIR MOTOR CHAMBER AND A SEPARATION CHAMBER BETWEEN SAID FLUID PUMP AND AIR MOTOR CHAMBERS, AN AIR NIPPLE THROUGH THE WALL OF SAID SUPPORTING TUBE INTO SAID UPPER PLUG, AN AIR MOTOR IN SAID AIR MOTOR CHAMBER ACTUATED BY COMPRESSED AIR SUPPLIED TO SAID AIR NIPPLE, A FLUID NIPPLE THROUGH THE WALL OF SAID SUPPORTING TUBE INTO SAID LOWER PLUG, A FLUID PUMP IN SAID FLUID PUMP CHAMBER FOR DELIVERING FLUID TO SAID FLUID NIPPLE, A TUBU-
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |