US3196320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic lift device
Assignee: Hanchett Magna-Lock Corp
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Filing: 1961-03-16
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Granted: 1965-07-20
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Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 Jack F Mauting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:16
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A MAGNETIC LIFT DEVICE COMPRISING: AN ELECTROMAGNET HAVING A LOWER SURFACE CAPABLE OF EFFECTIVELY CONTACTING A MAGNETIZABLE ARTICLE TO BE LIFTED; AN ELECTRICAL EXCITER COIL ADJACENT SAID MAGNET FOR ENERGIZING AND DE-ENERGIZING SAID MAGNET; LIFTING BRACKET MEANS MOUNTED DIRECTLY AND SECURELY TO SAID MAGNET; A SEPARABLE HOUSING RESTING ON AND SUPPORTED BY SAID MAGNET AND FORMING A REMOVABLE FIT WITH SAID MAGNET AND SAID LIFTING BRACKET MEANS FOR OPERATION WITH SAID MAGNET AS A PHYSICALLY COMBINED DEVICE AND AS A SEPARATED, REMOTELY OPERATED DEVICE; AN ELECTRICAL CONTROL CIRCUIT FOR SAID MAGNET IN SAID HOUSING; AND AN ELECTRICAL CONTACTING MEANS BETWEEN SAID HOUSING AND SAID MAGNET AND FORMING A PART OF SAID CIRCUIT.
Claim 2
Dependent Claim
112 words
A MAGNETIC LIFT DEVICE COMPRISING: AN ELECTROMAGNET HAVING A LOWER SURFACE CAPABLE OF EFFECTIVELY CONTACTING A MAGNETIZABLE ARTICLE TO BE LIFTED; AN ELECTRICAL EXCITER COIL ADJACENT SAID MAGNET FOR ENERGIZING AND DE-ENERGIZING SAID MAGNET; LIFTING BRACKET MEANS MOUNTED DIRECTLY AND SECURELY TO SAID MAGNET; A SEPARABLE HOUSING RESTING ON AND SUPPORTED BY SAID MAGNET AND FORMING A REMOVABLE FIT WITH SAID MAGNET AND SAID LIFTING BRACKET MEANS FOR OPERATION WITH SAID MAGNET AS A PHYSICALLY COMBINED DEVICE AND AS A SEPARATED, REMOTELY OPERATED DEVICE; AN ELECTRICAL CONTROL CIRCUIT FOR SAID MAGNET IN SAID HOUSING; AND AN ELECTRICAL CONTACTING MEANS BETWEEN SAID HOUSING AND SAID MAGNET AND FORMING A PART OF SAID CIRCUIT.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |