US3175177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistance device
Assignee: Motors Liquidation Co
•
Filing: 1961-01-16
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Granted: 1965-03-23
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Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Richard S Gaugler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:37
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A THERMALLY SENSITIVE RESISTOR ELEMENT COMPRISING, A FINE GRAIN POLYCRYSTALLINE FORM OF GRAPHITE IN WHICH THE LAYER PLANES OF THE GRAPHITE CRYSTALS ARE PERPENDICULAR TO THE DIRECTION OF CURRENT FLOW, SAID ELEMENT COM-
Claim 2
Dependent Claim
33 words
A THERMALLY SENSITIVE RESISTOR ELEMENT COMPRISING, A FINE GRAIN POLYCRYSTALLINE FORM OF GRAPHITE IN WHICH THE LAYER PLANES OF THE GRAPHITE CRYSTALS ARE PERPENDICULAR TO THE DIRECTION OF CURRENT FLOW, SAID ELEMENT COM-
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |