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US2589599A
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Releasable rope socket with weight indicator
Assignee: Mccullough Tool Co
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Filing: 1946-12-07
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Granted: 1952-03-18
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Expires: 1966-12-07
Abstract
No abstract record available.
Inventors
- 👤 John A Bond
- 👤 John L Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:54
CPC Classifications
E; E21; E21B; E21B31/00; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1718494A
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US1018328A
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US1153653A
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US1384489A
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US1429312A
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US2234364A
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US2298216A
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US2382279A
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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) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |