Patent US2390391A successfully refreshed from Google Patents.
US3392229A
Expired / Lapsed
US
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Insulation strip web with multiple overlapping strips
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1963-09-23
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Granted: 1968-07-09
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Rabus Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:21
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/125; H01F27/00; H01F27/28; H01F27/32; H01F27/324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE563186A
Cited
US1875382A
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US934311A
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US1239329A
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US2057647A
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DE910806C
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DE902612C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |