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Patent US2564511A successfully refreshed from Google Patents.
US2564511A
Expired / Lapsed
US
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Lock-nut structure
Assignee: Individual
•
Filing: 1949-06-03
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Granted: 1951-08-14
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Expires: 1969-06-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:41
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/36; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/935
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US526308A
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US1324012A
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US730599A
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US764662A
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US786725A
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US818584A
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US894874A
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US1470528A
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US2106984A
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US2321466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |