US2819938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool stand
Assignee: Individual
•
Filing: 1954-04-30
•
Granted: 1958-01-14
•
Expires: 1974-04-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Zerver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:46
CPC Classifications
B; B25; B25H; B25H3/00; B25H3/02; B25H3/021; B25H3/023; B25H3/026; A; A47; A47B; A47B31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US681098A
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US1073294A
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US1660521A
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US1778075A
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US1816705A
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US1923969A
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US1992435A
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US2196933A
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US2230374A
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US2448377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |