Patent US1881352A successfully refreshed from Google Patents.
Patent US3330703A successfully refreshed from Google Patents.
US3330703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric elements of oriented graphite containing spaced bands of metal atoms
Assignee: Individual
•
Filing: 1962-05-18
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Granted: 1967-07-11
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Podolsky Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:16
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/855
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
53 words
A THERMOELECTRIC ELEMENT CONSISTING ESSENTIALLY OF GRAPHITE AND METAL ATOMS, SAID ELEMENT BEING A COMPACTED GRAPHITE BODY HAVING A LONGITUDINAL DIRECTION, THE CRYSTALS OF THE GRAPHITE BEING HIGHLY ORIENTED WITH THEIR "C" AXES EXTENDING IN SAID LONGITUDINAL DIRECTION, AND SAID METAL ATOMS BEING PRESENT ONLY WITHIN LONGITUDINALLY SPACEDAPART TRANSVERSE BANDS OF SAID BODY.
Claim 2
Dependent Claim
53 words
A THERMOELECTRIC ELEMENT CONSISTING ESSENTIALLY OF GRAPHITE AND METAL ATOMS, SAID ELEMENT BEING A COMPACTED GRAPHITE BODY HAVING A LONGITUDINAL DIRECTION, THE CRYSTALS OF THE GRAPHITE BEING HIGHLY ORIENTED WITH THEIR "C" AXES EXTENDING IN SAID LONGITUDINAL DIRECTION, AND SAID METAL ATOMS BEING PRESENT ONLY WITHIN LONGITUDINALLY SPACEDAPART TRANSVERSE BANDS OF SAID BODY.
Claim 3
Dependent Claim
31 words
A THERMOELECTRIC ELEMENT AS DEFINED IN CLAIM 1, SAID BODY EMBODYING CRYSTAL LATTICE DEFECTS IN ALTERNATE LONGITUDINALLY SPACED-APART TRANSVERSE BANDS BETWEEN SAID METAL-CONTAINING BANDS, SAID DEFECTS BEING ENGENDERED BY PENETRATING RADIATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |