US3312920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound suppressing mounting for electric induction apparatus
Assignee: General Electric Co
•
Filing: 1965-03-19
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Granted: 1967-04-04
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Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Twomey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:15
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN AN ELECTRICAL INDUCTION APPARATUS ADAPTED TO BE MOUNTED UPON A MASSIVE RIGID FOUNDATION HAVING A SUBSTANTIALLY FLAT BEARING SURFACE, A HOUSING HAVING SIDEWALLS OF SHEET MATERIAL AND AN OPEN BASE PORTION ADAPTED TO REST DIRECTLY UPON SAID FOUNDATION, A MAGNETIZABLE CORE IN SAID HOUSING SUBJECT TO SEVERE VIBRATION IN OPERATION, A PAIR OF SUPPORTING LEGS EXTENDING DOWNWARDLY TOWARD SAID OPEN BASE PORTION OF SAID CASING AND TERMINATING AT THEIR LOWER ENDS IN SPACED-APART MOUNTING FEET, A CROSS BAR CONNECTED BETWEEN SAID MOUNTING FEET IN SUBSTANTIALLY PARALLEL SPACED RELATION WITH SAID BEARING SURFACE, SAID MOUNTING FEET AND LEGS TRANSMITTING APPRECIABLE VIBRATION FROM SAID CORE TO SAID CROSS BAR, A BEARING PLATE INTERPOSED DIRECTLY BETWEEN SAID CROSS BAR AND SAID BEARING SURFACE THEREBY TO SUPPORT SAID CORE ON SAID MASSIVE FOUNDATION FREE OF ANY BEARING CONTACT WITH SAID HOUSING, SAID BEARING PLATE BEING OFFSET FROM SAID MOUNTING FEET, AND POSITIONING MEANS LOOSELY CONNECTING SAID CROSS BAR TO SAID SIDEWALLS.
Claim 2
Dependent Claim
158 words
IN AN ELECTRICAL INDUCTION APPARATUS ADAPTED TO BE MOUNTED UPON A MASSIVE RIGID FOUNDATION HAVING A SUBSTANTIALLY FLAT BEARING SURFACE, A HOUSING HAVING SIDEWALLS OF SHEET MATERIAL AND AN OPEN BASE PORTION ADAPTED TO REST DIRECTLY UPON SAID FOUNDATION, A MAGNETIZABLE CORE IN SAID HOUSING SUBJECT TO SEVERE VIBRATION IN OPERATION, A PAIR OF SUPPORTING LEGS EXTENDING DOWNWARDLY TOWARD SAID OPEN BASE PORTION OF SAID CASING AND TERMINATING AT THEIR LOWER ENDS IN SPACED-APART MOUNTING FEET, A CROSS BAR CONNECTED BETWEEN SAID MOUNTING FEET IN SUBSTANTIALLY PARALLEL SPACED RELATION WITH SAID BEARING SURFACE, SAID MOUNTING FEET AND LEGS TRANSMITTING APPRECIABLE VIBRATION FROM SAID CORE TO SAID CROSS BAR, A BEARING PLATE INTERPOSED DIRECTLY BETWEEN SAID CROSS BAR AND SAID BEARING SURFACE THEREBY TO SUPPORT SAID CORE ON SAID MASSIVE FOUNDATION FREE OF ANY BEARING CONTACT WITH SAID HOUSING, SAID BEARING PLATE BEING OFFSET FROM SAID MOUNTING FEET, AND POSITIONING MEANS LOOSELY CONNECTING SAID CROSS BAR TO SAID SIDEWALLS.
References Cited (Backward Citations)
US1647512A
Cited
US2437717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |