US3495643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nut assembly
Assignee: SPS Technologies LLC
•
Filing: 1968-07-01
•
Granted: 1970-02-17
•
Expires: 1988-07-01
Abstract
No abstract record available.
Inventors
- 👤 Ervin J Dey
- 👤 Joseph H Wilkens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:39
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/044; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/969; Y10S411/971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1985272A
Cited
GB483089A
Cited
US2243923A
Cited
US2567864A
Cited
US3036673A
Cited
US3020947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |