US2908345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined ladder and scaffold sling support
Assignee: Individual
•
Filing: 1956-03-09
•
Granted: 1959-10-13
•
Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Lund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US543513A
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US713358A
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US731708A
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CH61348A
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US1423725A
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US1477738A
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US1948577A
Cited
CH188253A
Cited
US2261907A
Cited
US2680554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |