US2583368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling means for scaffolding bars
Assignee: Individual
•
Filing: 1947-06-11
•
Granted: 1952-01-22
•
Expires: 1967-06-11
Abstract
No abstract record available.
Inventors
- 👤 Merle P French
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:35
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/30; E04G7/302; E04G7/303; E04G7/304; F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/10; F16B7/00; F16B7/04; F16B7/044; F16B7/0446; Y; Y10; Y10T; Y10T403/00; Y10T403/30; Y10T403/34; Y10T403/349
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US611588A
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US1197487A
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US1416386A
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US1527400A
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GB308873A
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US1770852A
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US1828487A
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US2113196A
Cited
GB491162A
Cited
US2267323A
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 |