US3723240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asymmetrically foamable strand
Assignee: Dow Chemical Co
•
Filing: 1968-05-27
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Granted: 1973-03-27
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Expires: 1988-05-27
Abstract
Abstract GENERALLY LINEAR FOAMABLE STRANDULAR PARTICLES WHICH ARE ASYMMETRICAL ABOUT A PLANE GENERALLY CONTAINING THE LONGITUDINAL AXIS PROVIDE A DESIRED CURLED DUNNAGE MATERIAL WHEN HEATED TO CAUSE FOAMING. A WIDE VARIETY OF METHODS MAY BE USED TO INTRODUCE THE DESIRED ASYMMETRY.
Inventors
- 👤 R Skochdopole
- 👤 K Denslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:19
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/05; B65D81/09; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24215; Y10T428/24231; Y10T428/2424; Y10T428/24248; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2933; Y10T428/2973; Y10T428/2975; Y10T428/2976
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |