US3116695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetically driven liquid pump for toys
Assignee: Individual
•
Filing: 1962-02-27
•
Granted: 1964-01-07
•
Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Faller Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:32
CPC Classifications
H; H02; H02K; H02K33/00; H02K33/02; H02K33/04; H02K33/06; A; A63; A63H; A63H29/00; A63H29/10; A63H29/14; F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/147; F16K15/1471; Y; Y10; Y10S; Y10S60/00; Y10S60/911; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A LIQUID PUMP FOR TOYS COMPRISING A TUBULAR CYLINDER OF A NONMAGNETIC MATERIAL, A COIL SURROUNDING SAID CYLINDER, A TUBULAR PISTON OF A MAGNETIC MATERIAL SLIDABLE WITHIN SAID CYLINDER, AN INLET VALVE CONNECTED TO ONE END OF SAID PISTON, AND A PAIR OF ANNULAR AXIALLY MAGNETIZED PERMANENT MAGNETS SURROUNDING SAID CYLINDER ADJACENT TO THE OPPOSITE END SURFACES OF SAID COIL AND POLARIZED SYMMETRICALLY RELATIVE TO SAID COIL, SAID PISTON BEING ADAPTED TO BE RECIPROCATED IN ITS AXIAL DIRECTION BY THE ALTERNATING EFFECT OCCURRING BETWEEN THE MAGNETIC FIELDS OF SAID PER-
Claim 2
Dependent Claim
90 words
A LIQUID PUMP FOR TOYS COMPRISING A TUBULAR CYLINDER OF A NONMAGNETIC MATERIAL, A COIL SURROUNDING SAID CYLINDER, A TUBULAR PISTON OF A MAGNETIC MATERIAL SLIDABLE WITHIN SAID CYLINDER, AN INLET VALVE CONNECTED TO ONE END OF SAID PISTON, AND A PAIR OF ANNULAR AXIALLY MAGNETIZED PERMANENT MAGNETS SURROUNDING SAID CYLINDER ADJACENT TO THE OPPOSITE END SURFACES OF SAID COIL AND POLARIZED SYMMETRICALLY RELATIVE TO SAID COIL, SAID PISTON BEING ADAPTED TO BE RECIPROCATED IN ITS AXIAL DIRECTION BY THE ALTERNATING EFFECT OCCURRING BETWEEN THE MAGNETIC FIELDS OF SAID PER-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |