Patent US2717839A successfully refreshed from Google Patents.
US2717839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat conductive mastic
Assignee: Seeger Refrigerator Co
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Filing: 1951-11-09
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Granted: 1955-09-13
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Expires: 1971-11-09
Abstract
No abstract record available.
Inventors
- 👤 Wright Charles
- 👤 Warren A Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:28
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A HEAT CONDUCTIVE MASTIC CONSISTING ESSENTIALLY OF 52-66% BY WEIGHT MAGNESIUM OXIDE AND A REMAINDER OF OIL, PRIMARILY MINERAL, HAVING A VISCOSITY RANGE OF FROM 80-220 SAYBOLT UNIVERSAL SECONDS AT 210* F.
Claim 2
Dependent Claim
32 words
A HEAT CONDUCTIVE MASTIC CONSISTING ESSENTIALLY OF 52-66% BY WEIGHT MAGNESIUM OXIDE AND A REMAINDER OF OIL, PRIMARILY MINERAL, HAVING A VISCOSITY RANGE OF FROM 80-220 SAYBOLT UNIVERSAL SECONDS AT 210* F.
References Cited (Backward Citations)
US1283546A
Cited
US1619534A
Cited
US1920926A
Cited
US2111414A
Cited
US2321522A
Cited
US2418795A
Cited
US2550452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |