US3140220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal insulation and method of manufacture
Assignee: Wood Conversion Co
•
Filing: 1958-05-19
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Granted: 1964-07-07
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Expires: 1978-05-19
Abstract
No abstract record available.
Inventors
- 👤 Henry E Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:54
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/7654; E04B1/7658; E04B1/7662; E04B1/7666; E04B1/767; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084; Y10T156/1087; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24215; Y10T428/24231
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
THERMAL INSULATION COMPRISING AN INSULATING LENGTH OF INSULATING MATERIAL, SAID LENGTH HAVING A PLANE FACE FROM EDGE TO EDGE AND PARALLEL EDGE-FACES AT RIGHT ANGLES TO SAID PLANE FACE, A FLEXIBLE SHEET LINER ADHESIVELY SECURED TO SAID PLANE FACE WITHIN AN AREA INWARDLY FROM THE EDGE OF SAID FACE, SAID LINER TERMINATING AT THE EDGES OF SAID PLANE FACE, BEING UNSECURED TO SAID PLANE FACE ALONG A CONTINUOUS BAND ALONGSIDE EACH EDGE OF SAID PLANE FACE, AND BEING SECURED TO SAID PLANE FACE AT THE INNER EDGE OF EACH BAND, FLEXIBLE PARTITIONING STRIPS EACH HAVING ONE FACE ADHESIVELY UNITED TO SAID LINER AND ITS OTHER FACE
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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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |