US2794474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Longitudinally extending key locking means in combination with engaged threaded members
Assignee: Individual
•
Filing: 1953-05-18
•
Granted: 1957-06-04
•
Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Louis C Stukenborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:38
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16B39/04; F16B39/06; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/948; Y10S411/955; Y10S411/974; Y10S411/984; Y10T; Y10T403/00; Y10T403/29; Y10T403/295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB178763A
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US1616286A
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US1576062A
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GB350192A
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US2580482A
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US2564550A
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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) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |