Patent US5250208A successfully refreshed from Google Patents.
Patent US3174522A successfully refreshed from Google Patents.
US3174522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut locking device
Assignee: Individual
•
Filing: 1961-08-21
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Granted: 1965-03-23
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Larentis Albano
- 👤 Eusebio H Espejo
- 👤 Mazzocco Vicente
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:35
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: 2
Claim 1
Independent Claim
168 words
A FIRST INTERNALLY THREADED NUT LOCKING DEVICE WHICH COMPRISES A NUT HAVING AN ANNULAR INNER GROOVE DEFINED IN AN INWARDLY PROJECTING CIRCUMFERENTIAL BOTTOM WALL AT THE BASE OF SAID NUT CONSTITUTING AN INWARDLY EXTENDING ANNULAR FLANGE, SAID NUT HAVING A RELATIVELY SHORT OUTER SIDE WALL ADJACENT SAID INWARDLY EXTENDING ANNULAR FLANGE, THE INNER PERIPHERY OF SAID ANNULAR FLANGE DEFINING AN ENLARGED OPENING ON ONE SIDE OF SAID NUT AND AN INNER INWARDLY TAPERING SIDE WALL, A SECOND INTERNALLY THREADED NUT HAVING AN ANNULAR INNER GROOVE DEFINED IN AN INWARDLY PROJECTING CIRCUMFERENTIAL BOTTOM WALL AT THE BASE OF SAID SECOND NUT CONSTITUTING AN INWARDLY EXTENDING ANNULAR FLANGE OF SAID SECOND NUT, SAID SECOND NUT HAVING A RELATIVELY SHORT OUTER SIDE WALL ADJACENT SAID INWARDLY EXTENDING ANNULAR FLANGE, THE INNER PERIPHERY OF SAID ANNULAR FLANGE OF SAID SECOND NUT DEFINING AN ENLARGED OPENING ON ONE SIDE OF SAID SECOND NUT AND AN INNER INWARDLY TAPERING SIDE WALL, AND INSERTED BETWEEN THE ANNULAR INNER GROOVES OF SAID FIRST AND SECOND NUT
Claim 2
Dependent Claim
168 words
A FIRST INTERNALLY THREADED NUT LOCKING DEVICE WHICH COMPRISES A NUT HAVING AN ANNULAR INNER GROOVE DEFINED IN AN INWARDLY PROJECTING CIRCUMFERENTIAL BOTTOM WALL AT THE BASE OF SAID NUT CONSTITUTING AN INWARDLY EXTENDING ANNULAR FLANGE, SAID NUT HAVING A RELATIVELY SHORT OUTER SIDE WALL ADJACENT SAID INWARDLY EXTENDING ANNULAR FLANGE, THE INNER PERIPHERY OF SAID ANNULAR FLANGE DEFINING AN ENLARGED OPENING ON ONE SIDE OF SAID NUT AND AN INNER INWARDLY TAPERING SIDE WALL, A SECOND INTERNALLY THREADED NUT HAVING AN ANNULAR INNER GROOVE DEFINED IN AN INWARDLY PROJECTING CIRCUMFERENTIAL BOTTOM WALL AT THE BASE OF SAID SECOND NUT CONSTITUTING AN INWARDLY EXTENDING ANNULAR FLANGE OF SAID SECOND NUT, SAID SECOND NUT HAVING A RELATIVELY SHORT OUTER SIDE WALL ADJACENT SAID INWARDLY EXTENDING ANNULAR FLANGE, THE INNER PERIPHERY OF SAID ANNULAR FLANGE OF SAID SECOND NUT DEFINING AN ENLARGED OPENING ON ONE SIDE OF SAID SECOND NUT AND AN INNER INWARDLY TAPERING SIDE WALL, AND INSERTED BETWEEN THE ANNULAR INNER GROOVES OF SAID FIRST AND SECOND NUT
References Cited (Backward Citations)
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |