Patent US3454292A successfully refreshed from Google Patents.
US3454292A
Expired / Lapsed
US
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Interfitting multipiece connectors
Assignee: Individual
•
Filing: 1967-06-02
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Granted: 1969-07-08
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Expires: 1987-06-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur Carol Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:06
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/0023; F16B15/003; F16B15/0046; E; E04; E04B; E04B1/00; E04B1/38; E04B1/48; E04B1/49; F16B2015/0061; F16B2015/0069; Y; Y10; Y10S; Y10S403/00; Y10S403/13; Y10S411/00; Y10S411/921; Y10T; Y10T403/00; Y10T403/49; Y10T403/4974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE707490C
Cited
US2377156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |