Patent US3102940A successfully refreshed from Google Patents.
US3102940A
Expired / Lapsed
US
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Coil mounting structure
Assignee: General Electric Co
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Filing: 1961-10-10
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Granted: 1963-09-03
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Expires: 1981-10-10
Abstract
No abstract record available.
Inventors
- 👤 George M Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:11
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/04; F24C7/043; H; H05; H05B; H05B3/00; H05B3/20; H05B3/22; H05B3/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A MOUNTING STRUCTURE FOR AN OPEN HELIX HEATER COIL, COMPRISING A PAIR OF IDENTICAL INSULATING MEMBERS, EACH INCLUDING A CENTRAL SPACING BAR HAVING AT EACH END A SUBSTANTIALLY SEMICIRCULAR COIL-SUPPORTING PORTION, EACH SAID PORTION HAVING A V-SHAPED RIDGE EXTENDING CHORDALLY THEREACROSS, THE RADIUS OF EACH SAID COIL-SUPPORTING PORTION BEING SUBSTANTIALLY THAT OF THE HEATER COIL AND THE RELATIONSHIP OF THE WIDTH OF SAID PORTIONS AND THE BASE THICKNESS AND HEIGHT OF SAID V-SHAPED RIDGE BEING SUCH
References Cited (Backward Citations)
US1351779A
Cited
US1514857A
Cited
US1543938A
Cited
US1827508A
Cited
US1899933A
Cited
US1883927A
Cited
US2680799A
Cited
US2921172A
Cited
US2963539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |