US2740530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable supporting and clamping device
Assignee: E A BECKELHYMER
•
Filing: 1951-05-15
•
Granted: 1956-04-03
•
Expires: 1971-05-15
Abstract
No abstract record available.
Inventors
- 👤 Walter P Ponder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:38
CPC Classifications
A; A47; A47B; A47B81/00; A47B81/005; F; F41; F41A; F41A23/00; F41A23/02; F41A23/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US439562A
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US633416A
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US838473A
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US1631780A
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US1657854A
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FR703668A
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US2032631A
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US2420347A
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US2469542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |