Patent US3859228A successfully refreshed from Google Patents.
US3390900A
Expired / Lapsed
US
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Self-locking connector
Assignee: Gray & Hulegurard
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Filing: 1966-06-03
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Granted: 1968-07-02
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Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 Larry L Mccormick
- 👤 John J Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:53
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/005; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/08; F16B21/00; F16B21/10; F16B21/16; F16B21/18; F16B7/00; F16B7/18; F16B7/182; F16B33/00; F16B33/004; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/941
Claims Analysis
Total Claims: 0
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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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |