US3553920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation modules for insulating wall surfaces
Assignee: Individual
•
Filing: 1967-07-10
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Granted: 1971-01-12
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Expires: 1987-07-10
Abstract
Abstract THE PRESENT INVENTION PROVIDES A MEANS FOR FABRICATING A THERMAL INSULATION WALL BY THE ADDITION OR INTERCHANGING OF INSULATION MODULES. IN ADDITION, THE INVENTION TEACHES A METHOD FOR FABRICATING THE INSULATION MODULES.
Inventors
- 👤 Stephen F Cole Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:35
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/04; F27D1/06; F27D1/08; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/169; Y10T428/23; Y10T428/237; Y10T428/24; Y10T428/2419; Y10T428/24215
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |