US4146660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugated cardboard chip insulation
Assignee: Individual
•
Filing: 1977-11-14
•
Granted: 1979-03-27
•
Expires: 1997-11-14
Abstract
Abstract Insulation comprising a multiplicity of small chips of corrugated cardboard. The chips have varying external configurations and varying orientation of the long axis of the flute(s) with a side of the chip. The chips may be utilized as loose, bagged or block insulation.
Inventors
- 👤 David M. Hall
- 👤 Robert F. Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:32
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24653; Y10T428/24669; Y10T428/24694
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
40 words
Insulation comprising a multiplicity of small corrugated cardboard chips, wherein each chip comprises a flute portion positioned between and attached to a portion of an inner and outer liner, the liner and outer liners in parallel relation to each other.
Claim 2
Dependent Claim
40 words
Insulation comprising a multiplicity of small corrugated cardboard chips, wherein each chip comprises a flute portion positioned between and attached to a portion of an inner and outer liner, the liner and outer liners in parallel relation to each other.
Claim 3
Dependent Claim
15 words
The insulation as set forth in claim 1 wherein each chip is rectilinear in configuration.
Claim 4
Dependent Claim
15 words
The insulation as set forth in claim 1 wherein each chip is circular in configuration.
Claim 5
Dependent Claim
15 words
The insulation as set forth in claim 1 wherein each chip is elliptical in configuration.
Claim 6
Dependent Claim
40 words
The insulation as set forth in claim 1 wherein the flute includes a long axis and the chip having an edge, the flute opening at the edge and the axis forming an angle of less than 90° with the edge.
Claim 7
Dependent Claim
33 words
The insulation as set forth in claim 2 wherein the flute includes a long axis and the chip including an edge and the long axis being at a 45° angle to the edge.
Claim 8
Dependent Claim
26 words
The insulation as set forth in claim 1 wherein each chip having at least one chip adjacent to it, the adjacent chips adhered to each other.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-26 | 1982-09-25 | 1983-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-26 | 1986-09-25 | 1987-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-26 | 1990-09-25 | 1991-03-27 | $7700.00 | Window Closed / Lapsed |