US2582625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold end frame
Assignee: Individual
•
Filing: 1947-01-17
•
Granted: 1952-01-15
•
Expires: 1967-01-17
Abstract
No abstract record available.
Inventors
- 👤 Roscoe H Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:22
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/18; E04G1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US295592A
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US378102A
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US428769A
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US588982A
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US744194A
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US863708A
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US964233A
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US1168868A
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US2089871A
Cited
US2289141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |