Patent US3266306A successfully refreshed from Google Patents.
US3266306A
Expired / Lapsed
US
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Humidity resistance tester
Assignee: Individual
•
Filing: 1964-04-17
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Granted: 1966-08-16
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Expires: 1984-04-17
Abstract
No abstract record available.
Inventors
- 👤 Vernon E Arnold
- 👤 Shary D Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:46
CPC Classifications
G; G01; G01N; G01N17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN APPARATUS FOR TESTING THE RESISTANCE OF SURFACE MATERIALS TO HUMIDITY COMPRISING A HUMIDITY CHAMBER HAVING AN OPEN END, A SOURCE OF STEAM UNDER PRESSURE, CONDUIT MEANS COMMUNICATIVELY CONNECTING SAID SOURCE TO SAID CHAMBER, MEANS TO DETACHABLY CLAMP A SAMPLE SURFACE IN SEALING RELATIONSHIP ON SAID OPEN END, WHEREBY TO EXPOSE THE SAMPLE SURFACE TO THE STEAM IN THE CHAMBER, AN AUXILIARY STEAM CHAMBER, A DISCHARGE CONDUIT CONNECTED TO SAID AUXILIARY CHAMBER, AND BLEEDER CONDUIT MEANS CONNECTING SAID FIRST-NAMED CHAMBER TO SAID AUXILIARY STEAM CHAMBER AND INCLUDING AN ADJUSTABLE VALVE FOR BLEEDING OFF EXCESS STEAM FROM THE FIRST-NAMED CHAMBER TO MAINTAIN A PREDETERMINED STEAM PRESSURE IN SAID FIRST-NAMED CHAMBER.
Claim 2
Independent Claim
109 words
AN APPARATUS FOR TESTING THE RESISTANCE OF SURFACE MATERIALS TO HUMIDITY COMPRISING A HUMIDITY CHAMBER HAVING AN OPEN END, A SOURCE OF STEAM UNDER PRESSURE, CONDUIT MEANS COMMUNICATIVELY CONNECTING SAID SOURCE TO SAID CHAMBER, MEANS TO DETACHABLY CLAMP A SAMPLE SURFACE IN SEALING RELATIONSHIP ON SAID OPEN END, WHEREBY TO EXPOSE THE SAMPLE SURFACE TO THE STEAM IN THE CHAMBER, AN AUXILIARY STEAM CHAMBER, A DISCHARGE CONDUIT CONNECTED TO SAID AUXILIARY CHAMBER, AND BLEEDER CONDUIT MEANS CONNECTING SAID FIRST-NAMED CHAMBER TO SAID AUXILIARY STEAM CHAMBER AND INCLUDING AN ADJUSTABLE VALVE FOR BLEEDING OFF EXCESS STEAM FROM THE FIRST-NAMED CHAMBER TO MAINTAIN A PREDETERMINED STEAM PRESSURE IN SAID FIRST-NAMED CHAMBER.
References Cited (Backward Citations)
US3071473A
Cited
US3128780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |