US3384259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual thermal carrier
Assignee: HOWARD F WEITECAMP
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Filing: 1966-06-23
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Granted: 1968-05-21
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Expires: 1986-06-23
Abstract
No abstract record available.
Inventors
- 👤 Ronald A Hoffstadt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:34
CPC Classifications
A; A47; A47J; A47J47/00; A47J47/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A DUAL THERMAL CARRIER COMPRISING: UPPER AND LOWER THERMALLY INSULATED CONTAINERS; COVER MEANS FOR AN UPPER OPENING IN THE LOWER CONTAINER; THE UPPER CONTAINERS BEING SEATED ON THE COVER MEANS AND HAVING ITS BOTTOM PORTION SPACED FROM THE COVER TO PROVIDED A VENTILATING ZONE BETWEEN THE CONTAINERS; AT LEAST ONE OF THE CONTAINERS HAVING A PLURALITY OF APERTURES SPACED ABOUT THE PERIPHERY AND PROVIDING VENTILIATING COMMUNICATION BETWEEN THE ZONE AND AMBIENT AIR TO MAINTAIN THE ZONE DRY AND AT AMBIENT TEMPERATURE RESPONSIVE TO MOVEMENT OF THE CARRIER AND CONVECTION AIR CURRENTS; RELEASABLE CLAMP MEANS BETWEEN THE CONTAINERS BEING OPERABLE TO AND FORM A FIRST LOCKED CONDITION EFFECTIVE TO HOLD THE CONTAINERS TOGETHER AS A UNITARY CARRIER WHILE CONCURRENTLY PRESSING THE COVER MEANS ONTO THE LOWER CONTAINER.
Claim 2
Dependent Claim
126 words
A DUAL THERMAL CARRIER COMPRISING: UPPER AND LOWER THERMALLY INSULATED CONTAINERS; COVER MEANS FOR AN UPPER OPENING IN THE LOWER CONTAINER; THE UPPER CONTAINERS BEING SEATED ON THE COVER MEANS AND HAVING ITS BOTTOM PORTION SPACED FROM THE COVER TO PROVIDED A VENTILATING ZONE BETWEEN THE CONTAINERS; AT LEAST ONE OF THE CONTAINERS HAVING A PLURALITY OF APERTURES SPACED ABOUT THE PERIPHERY AND PROVIDING VENTILIATING COMMUNICATION BETWEEN THE ZONE AND AMBIENT AIR TO MAINTAIN THE ZONE DRY AND AT AMBIENT TEMPERATURE RESPONSIVE TO MOVEMENT OF THE CARRIER AND CONVECTION AIR CURRENTS; RELEASABLE CLAMP MEANS BETWEEN THE CONTAINERS BEING OPERABLE TO AND FORM A FIRST LOCKED CONDITION EFFECTIVE TO HOLD THE CONTAINERS TOGETHER AS A UNITARY CARRIER WHILE CONCURRENTLY PRESSING THE COVER MEANS ONTO THE LOWER CONTAINER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |