Patent US3239698A successfully refreshed from Google Patents.
US3239698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal protection for food waste disposer
Assignee: General Electric Co
•
Filing: 1963-07-26
•
Granted: 1966-03-08
•
Expires: 1983-07-26
Abstract
No abstract record available.
Inventors
- 👤 Oliver R Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:39
CPC Classifications
H; H02; H02K; H02K11/00; H02K11/20; H02K11/25; E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/266; E03C1/2665
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
AN ELECTRIC MOTOR COMPRISING: (A) A SHAFT BEARING, (B) A CASING ENCAPSULATING THE MOTOR, (C) A HEAT TRANSFER CHAMBER ADJACENT SAID CASING, (D) A HEAT TRANSFER MEDIUM WITHIN SAID CHAMBER, (E) THERMALLY RESPONSIVE MEANS WITHIN SAID CHAMBER ADAPTED TO DE-ENERGIZE THE MOTOR UPON SENSING A TEMPERATURE IN EXCESS OF A PREDETERMINED VALUE, (F) MEANS TO CIRCULATE SAID MEDIUM WITHIN SAID CHAMBER, AND (G) FLOW DIRECTING MEANS WITHIN SAID CHAMBER DISPOSED BETWEEN SAID BEARING AND SAID THERMALLY RESPONSIVE MEANS, (H) SAID FLOW DIRECTING MEANS HAVING OPENINGS THEREIN TO DIRECT SAID MEDIUM INTO HEAT EXCHANGE RELATIONSHIP WITH SAID BEARING, SAID CASING AND SAID THERMALLY RESPONSIVE MEANS.
Claim 2
Dependent Claim
104 words
AN ELECTRIC MOTOR COMPRISING: (A) A SHAFT BEARING, (B) A CASING ENCAPSULATING THE MOTOR, (C) A HEAT TRANSFER CHAMBER ADJACENT SAID CASING, (D) A HEAT TRANSFER MEDIUM WITHIN SAID CHAMBER, (E) THERMALLY RESPONSIVE MEANS WITHIN SAID CHAMBER ADAPTED TO DE-ENERGIZE THE MOTOR UPON SENSING A TEMPERATURE IN EXCESS OF A PREDETERMINED VALUE, (F) MEANS TO CIRCULATE SAID MEDIUM WITHIN SAID CHAMBER, AND (G) FLOW DIRECTING MEANS WITHIN SAID CHAMBER DISPOSED BETWEEN SAID BEARING AND SAID THERMALLY RESPONSIVE MEANS, (H) SAID FLOW DIRECTING MEANS HAVING OPENINGS THEREIN TO DIRECT SAID MEDIUM INTO HEAT EXCHANGE RELATIONSHIP WITH SAID BEARING, SAID CASING AND SAID THERMALLY RESPONSIVE MEANS.
References Cited (Backward Citations)
US919203A
Cited
US1935455A
Cited
US2279214A
Cited
US2682005A
Cited
US2710373A
Cited
US3075105A
Cited
US3106334A
Cited
US3159354A
Cited
US3163369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |