Patent US2510688A successfully refreshed from Google Patents.
US2510688A
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US
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Adjustable stand
Assignee: ERNEST E BOYER
•
Filing: 1948-01-20
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Granted: 1950-06-06
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Expires: 1968-01-20
Abstract
No abstract record available.
Inventors
- 👤 Evans Kenneth Russell
- 👤 Ralph W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:08
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/14; E21D15/16; E21D15/18; B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/10; B23Q3/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190808871A
Cited
US1765200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |