Patent US3438166A successfully refreshed from Google Patents.
US3438166A
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US
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Sealing means and window constructions incorporating such sealing means
Assignee: A KNAG AS
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Filing: 1967-06-26
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Granted: 1969-04-15
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Expires: 1987-06-26
Abstract
No abstract record available.
Inventors
- 👤 Bjorn Bakke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:30
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/62; E06B2003/6238; E06B2003/6244; E06B2003/625; E06B2003/6258; E06B2003/6264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |