US3411243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet gasket
Assignee: Max Baermann GmbH
•
Filing: 1966-06-08
•
Granted: 1968-11-19
•
Expires: 1986-06-08
Abstract
No abstract record available.
Inventors
- 👤 Baermann Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:55
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/08; F25D23/082; F25D23/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125389A
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US2102578A
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US3079653A
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US3023466A
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US2958912A
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US2974079A
Cited
US3241198A
Cited
US3221375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |