Patent US2996288A successfully refreshed from Google Patents.
US2996288A
Expired / Lapsed
US
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Displaceable support or coupling mechanisms resulting in a universal plate
Assignee: Individual
•
Filing: 1957-03-15
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Granted: 1961-08-15
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Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 Kavanau Julian Lee
- 👤 Jernberg Nils Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:37
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/46; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1567548A
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US2064392A
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US1970233A
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US2242215A
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US2255799A
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US2247978A
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US2397585A
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US2545646A
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US2728562A
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US2757908A
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US2793010A
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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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |