Patent US2524988A successfully refreshed from Google Patents.
US2524988A
Expired / Lapsed
US
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Cord lock fitting
Assignee: LORENTZEN HARDWARE Manufacturing CORP
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Filing: 1948-12-11
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Granted: 1950-10-10
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Expires: 1968-12-11
Abstract
No abstract record available.
Inventors
- 👤 Nelson Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:24
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/26; E06B9/28; E06B9/30; E06B9/32; E06B9/324; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US191814A
Cited
FR393645A
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US1636273A
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AU882727A
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US2091033A
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US2054240A
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US2075214A
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US2010286A
Cited
US2198187A
Cited
US2507610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |