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US2878669A
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Apparatus for determining thermal conductance and resistance
Assignee: KNNDSON
•
Filing: 1955-03-18
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Granted: 1959-03-24
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Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
- 👤 Warren A Knudson
- 👤 Joseph T Gier
- 👤 Robert V Dunkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:40
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2193762A
Cited
US2525197A
Cited
GB587996A
Cited
US2484736A
Cited
US2493651A
Cited
US2616296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |