US3253630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed lock washer
Assignee: Individual
•
Filing: 1964-04-14
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Granted: 1966-05-31
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Expires: 1984-04-14
Abstract
No abstract record available.
Inventors
- 👤 Charles S Phelan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:55
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/063; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A NUT AND LOCK WASHER ASSEMBLY COMPRISING: A NUT HAVING INTERNAL THREADS FOR MATING ENGAGEMENT WITH EXTERNAL THREADS OF A MALE MEMBER AND HAVING IN ITS PERIPHERY A PLURALITY OF CIRCUMFERENTIALLY SPACED LATCH APERTURES AND KEEPER MEANS EXTENDING CIRCUMFERENTIALLY OVER SAID APERTURES; AND A LOCK WASHER COMPRISING A COLLAR HAVING A SUBSTANTIALLY CONTINUOUS CIRCUMFERENTIAL ARRAY OF AXIALLY EXTENDING INTERNAL SPLINES FOR MATING WITH SERRATIONS IN SAID MALE THREADS, SAID LOCK WASHER FURTHER INCLUDING A PLURALITY OF RETAINER FINGERS PROJECTING AXIALLY THEREFROM IN POSITIONS FOR RECEPTION IN SAID LATCH APERTURES AND HAVING AT THEIR FREE ENDS, OUTWARDLY HOOKED LATCHING TIPS ENGAGEABLE AGAINST THE REAR ENDS OF SAID KEEPER MEANS WITH SAID RETAINER FINGERS PROJECTING AXIALLY THROUGH SAID LATCH APERTURES TO LATCH THE LOCK WASHER TO THE NUT, SAID RETAINER FINGERS BEING RESILIENT AND HAVING
Claim 2
Dependent Claim
133 words
A NUT AND LOCK WASHER ASSEMBLY COMPRISING: A NUT HAVING INTERNAL THREADS FOR MATING ENGAGEMENT WITH EXTERNAL THREADS OF A MALE MEMBER AND HAVING IN ITS PERIPHERY A PLURALITY OF CIRCUMFERENTIALLY SPACED LATCH APERTURES AND KEEPER MEANS EXTENDING CIRCUMFERENTIALLY OVER SAID APERTURES; AND A LOCK WASHER COMPRISING A COLLAR HAVING A SUBSTANTIALLY CONTINUOUS CIRCUMFERENTIAL ARRAY OF AXIALLY EXTENDING INTERNAL SPLINES FOR MATING WITH SERRATIONS IN SAID MALE THREADS, SAID LOCK WASHER FURTHER INCLUDING A PLURALITY OF RETAINER FINGERS PROJECTING AXIALLY THEREFROM IN POSITIONS FOR RECEPTION IN SAID LATCH APERTURES AND HAVING AT THEIR FREE ENDS, OUTWARDLY HOOKED LATCHING TIPS ENGAGEABLE AGAINST THE REAR ENDS OF SAID KEEPER MEANS WITH SAID RETAINER FINGERS PROJECTING AXIALLY THROUGH SAID LATCH APERTURES TO LATCH THE LOCK WASHER TO THE NUT, SAID RETAINER FINGERS BEING RESILIENT AND HAVING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |