Patent US3280470A successfully refreshed from Google Patents.
US3280470A
Expired / Lapsed
US
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Method and apparatus for oven dehydrating compounds
Assignee: Individual
•
Filing: 1964-07-23
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Granted: 1966-10-25
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Expires: 1984-07-23
Abstract
No abstract record available.
Inventors
- 👤 Robert L Kuntz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:23
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87378
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF RAPIDLY DRYING AND DETERMINING THE LIQUID CONTENT OF A MASS, COMPRISING OVEN HEATING AT LEAST A PORTION OF SAID MASS IN A SEALED VACUUM VESSEL OF BUT LITTLE GREATER INTERNAL VOLUME THAN THE VOLUME OF THE MASS PORTION HEATED, THE WEIGHTS OF THE LATTER AND OF THE SEALED VESSEL BEING KNOWN, AND, DURING HEATING, APPLYING A HIGH VALUE OF VACUUM TO THE INTERIOR OF THE SEALED VESSEL, AND, USING THE SEALED VESSEL AS A WEIGHING RECEPTACLE, DETERMINING THE WEIGHT OF THE CONTENT OF THE VESSEL AFTER A PERIOD OF HEATING UNDER VACUUM SUFFICIENT TO SUBSTANTIALLY COMPLETELY DE-LIQUIFY SAID MASS.
Claim 2
Independent Claim
102 words
A METHOD OF RAPIDLY DRYING AND DETERMINING THE LIQUID CONTENT OF A MASS, COMPRISING OVEN HEATING AT LEAST A PORTION OF SAID MASS IN A SEALED VACUUM VESSEL OF BUT LITTLE GREATER INTERNAL VOLUME THAN THE VOLUME OF THE MASS PORTION HEATED, THE WEIGHTS OF THE LATTER AND OF THE SEALED VESSEL BEING KNOWN, AND, DURING HEATING, APPLYING A HIGH VALUE OF VACUUM TO THE INTERIOR OF THE SEALED VESSEL, AND, USING THE SEALED VESSEL AS A WEIGHING RECEPTACLE, DETERMINING THE WEIGHT OF THE CONTENT OF THE VESSEL AFTER A PERIOD OF HEATING UNDER VACUUM SUFFICIENT TO SUBSTANTIALLY COMPLETELY DE-LIQUIFY SAID MASS.
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |