US3240388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump and level indicator combination
Assignee: Motors Liquidation Co
•
Filing: 1964-07-24
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Granted: 1966-03-15
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Expires: 1984-07-24
Abstract
No abstract record available.
Inventors
- 👤 Norman Ralph Brainard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:29
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/36; B; B60; B60K; B60K15/00; B60K15/03; B60K15/06; B60K15/061; H; H02; H02K; H02K33/00; H02K33/02; H02K33/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
AN ELECTROMAGNETIC PUMP HAVING AN ARMATURE PLUNGER, A FLOAT, A GAGE, A SOLENOID COIL ARRANGED TO OPERATE SAID PLUNGER, A CONTACT CONNECTED TO GROUND THROUGH SAID GAGE, SLIDABLE ON SAID COIL AND LINKED TO SAID FLOAT TO MOVE WITH THE LATTER AND ALONG SAID COIL, AND A CIRCUIT CONNECTED INTERMITTENTLY TO ENERGIZE SAID COIL.
Claim 2
Dependent Claim
54 words
AN ELECTROMAGNETIC PUMP HAVING AN ARMATURE PLUNGER, A FLOAT, A GAGE, A SOLENOID COIL ARRANGED TO OPERATE SAID PLUNGER, A CONTACT CONNECTED TO GROUND THROUGH SAID GAGE, SLIDABLE ON SAID COIL AND LINKED TO SAID FLOAT TO MOVE WITH THE LATTER AND ALONG SAID COIL, AND A CIRCUIT CONNECTED INTERMITTENTLY TO ENERGIZE SAID COIL.
References Cited (Backward Citations)
US1693114A
Cited
US2473726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |