US3404748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation laminate with reinforcing fibers and corrugated layer
Assignee: Griffolyn Co Inc
•
Filing: 1967-12-06
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Granted: 1968-10-08
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Expires: 1987-12-06
Abstract
No abstract record available.
Inventors
- 👤 Bjorksten Johan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:52
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/78; B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2886; E04H; E04H15/00; E04H15/20; E04H15/22; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/31504; Y10T428/31855; Y10T428/31931; Y10T428/31935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1195950A
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USRE24007E
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US1444397A
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US1780739A
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US2215241A
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DE927474C
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US3130700A
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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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |