US3214231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable structure with magnetic seal
Assignee: Motors Liquidation Co
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Filing: 1963-09-25
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Granted: 1965-10-26
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Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 James A Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:51
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
150 words
IN COMBINATION, AN ENCLOSURE HAVING A SUBSTANTIAL PORTION IN THE FORM OF TOP AND SIDE WALLS, A REMOVABLE STRUCTURE WITHIN SAID ENCLOSURE, A RESILIENT MOUNTING MEANS BETWEEN AND PROVIDING FOR RELATIVE MOVEMENT BETWEEN SAID REMOVABLE STRUCTURE AND SAID ENCLOSURE, SAID REMOVABLE STRUCTURE HAVING A PERIPHERAL PORTION EXTENDING ADJACENT THE INNER SURFACES OF THE TOP AND SIDE WALLS OF SAID ENCLOSURE, A FLEXIBLE MEMBRANE EXTENDING BETWEEN AND FORMING A SEAL BETWEEN SAID PERIPHERAL PORTION AND A PORTION OF THE INNER SURFACE OF THE TOP AND SIDE WALLS OF SAID ENCLOSURE, SAID MEMBRANE HAVING A PERMANENTLY MAGNETIZED MEANS EXTENDING INTO REMOVABLE CONTACT WITH ONE OF SAID PORTIONS FOR MAKING SUBSTANTIALLY SEALING REMOVABLE CONTACT WITH SAID ONE PORTION, SAID ONE PORTION BEING OF PARAMAGNETIC MATERIAL, SAID MEMBRANE HAVING ANOTHER PART PERMANENTLY FASTENED TO THE OTHER OF SAID PORTIONS AND BEING CAPABLE OF ABSORBING THE MOVEMENT OF SAID REMOVABLE STRUCTURE RELATIVE TO SAID ENCLOSURE.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |