Patent US3679287A successfully refreshed from Google Patents.
US2807180A
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US
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Vacuum holding fixture for power machine tools
Assignee: Individual
•
Filing: 1953-11-30
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Granted: 1957-09-24
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Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Adams Jesse Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:06
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/30; B23B31/307; Y; Y10; Y10T; Y10T279/00; Y10T279/11; Y10T279/34; Y10T279/3487; Y10T82/00; Y10T82/25; Y10T82/2593; Y10T82/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US283367A
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US1291475A
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US1345644A
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US1414190A
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US1744313A
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US2366935A
Cited
US2444531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |