US3020946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor unit with spherical surface to permit angular movement
Assignee: Elastic Stop Nut Corp
•
Filing: 1957-02-28
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Granted: 1962-02-13
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Expires: 1977-02-28
Abstract
No abstract record available.
Inventors
- 👤 Malcolm E Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:24
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/044; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/966
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB129513A
Cited
US1412502A
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US2243923A
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US2249923A
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US2413669A
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GB599362A
Cited
US2770161A
Cited
US2820499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |