US2583437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable scaffold
Assignee: Individual
•
Filing: 1947-02-07
•
Granted: 1952-01-22
•
Expires: 1967-02-07
Abstract
No abstract record available.
Inventors
- 👤 Jr George R Newlon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:48
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/28; E04G1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US111660A
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US541323A
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US616762A
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US711384A
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US1222020A
Cited
US1359452A
Cited
US1841676A
Cited
US1995668A
Cited
US2185948A
Cited
US2406078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |