US2656223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable scaffold clamp
Assignee: Individual
•
Filing: 1948-12-14
•
Granted: 1953-10-20
•
Expires: 1968-12-14
Abstract
No abstract record available.
Inventors
- 👤 Gray Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:41
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/02; E04G1/00; E04G1/15; E04G1/151; F; F16; F16B; F16B45/00; E04G2001/157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1376924A
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US1672502A
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US1825590A
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US2136420A
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US2430642A
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US2439185A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |