US2947555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold ladder clamp
Assignee: Individual
•
Filing: 1954-03-15
•
Granted: 1960-08-02
•
Expires: 1974-03-15
Abstract
No abstract record available.
Inventors
- 👤 Olsen Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:23
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/34; E04; E04G; E04G5/00; E04G5/10; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32163; Y10T403/32172; Y10T403/32975; Y10T403/32983; Y10T403/71; Y10T403/7105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB225758A
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US1672720A
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FR33175E
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US1895746A
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US1845672A
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US1987826A
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FR790857A
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US2379446A
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US2405453A
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US2689995A
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US2665950A
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US2679413A
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FR1093882A
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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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |