Patent US2855639A successfully refreshed from Google Patents.
US2855639A
Expired / Lapsed
US
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Magnetic gasket and method and apparatus for making same
Assignee: Jervis Corp
•
Filing: 1951-04-23
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Granted: 1958-10-14
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Expires: 1971-04-23
Abstract
No abstract record available.
Inventors
- 👤 Anton W Korb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:16
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/16; E05C19/161; Y; Y10; Y10S; Y10S277/00; Y10S277/921; Y10S428/00; Y10S428/90; Y10T; Y10T428/00; Y10T428/24; Y10T428/24744
Claims Analysis
Total Claims: 0
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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) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |