Patent US3324917A successfully refreshed from Google Patents.
US3324917A
Expired / Lapsed
US
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Expansible and self-folding container
Assignee: Air Logistics Corp
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Filing: 1964-10-26
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Granted: 1967-06-13
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Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Schirtzinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:26
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/16; B65D88/1612; B65D88/1656; Y; Y10; Y10S; Y10S383/00; Y10S383/908; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN EXPANSIBLE AND SELF-FOLDING CONTAINER COMPRISING: (A) A PLURALITY OF SHEETS, EACH HAVING TWO LONGITUDINAL EDGES; (B) REINFORCED PLASTIC MEANS JOINING EACH EDGE OF EACH SHEET IN THE PLURALITY TO AN EDGE OF DIFFERENT ADJACENT SHEETS TO PROVIDE A SUBSTANTIALLY CORRUGATED PATTERN OF SHEETS IN A FOLDED POSITION; AND (E) MEANS AT THE ENDS OF THE SHEETS TO DEFINE A FLUIDTIGHT ENCLOSURE TOGETHER WITH THE SHEETS AND THE JOINT MEANS; (D) SAID PLASTIC HAVING A HIGH RATIO OF TENSILE STRENGTH TO TENSILE MODULUS OF ELASTICITY ENABLING THE JOINING MEANS TO BE OPENED TO EXPAND THE CONTAINER TO A SUBSTANTIALLY ELLIPTICAL CROSS-SECTION BY PRESSURE FROM WITHIN THE ENCLOSURE AND FURTHER ENABLING THE JOINING MEANS TO RETURN THE CONTAINER TO THE FOLDED POSITION UPON REMOVAL OF THE PRESSURE.
Claim 2
Dependent Claim
126 words
AN EXPANSIBLE AND SELF-FOLDING CONTAINER COMPRISING: (A) A PLURALITY OF SHEETS, EACH HAVING TWO LONGITUDINAL EDGES; (B) REINFORCED PLASTIC MEANS JOINING EACH EDGE OF EACH SHEET IN THE PLURALITY TO AN EDGE OF DIFFERENT ADJACENT SHEETS TO PROVIDE A SUBSTANTIALLY CORRUGATED PATTERN OF SHEETS IN A FOLDED POSITION; AND (E) MEANS AT THE ENDS OF THE SHEETS TO DEFINE A FLUIDTIGHT ENCLOSURE TOGETHER WITH THE SHEETS AND THE JOINT MEANS; (D) SAID PLASTIC HAVING A HIGH RATIO OF TENSILE STRENGTH TO TENSILE MODULUS OF ELASTICITY ENABLING THE JOINING MEANS TO BE OPENED TO EXPAND THE CONTAINER TO A SUBSTANTIALLY ELLIPTICAL CROSS-SECTION BY PRESSURE FROM WITHIN THE ENCLOSURE AND FURTHER ENABLING THE JOINING MEANS TO RETURN THE CONTAINER TO THE FOLDED POSITION UPON REMOVAL OF THE PRESSURE.
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |