Patent US2995357A successfully refreshed from Google Patents.
US2995357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Workpiece holder
Assignee: Individual
•
Filing: 1958-06-09
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Granted: 1961-08-08
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Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Hardy B Dennis
- 👤 Robert M Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:45
CPC Classifications
B; B25; B25B; B25B11/00; B25H; B25H1/00; B25H1/0007
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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |