Patent US3009719A successfully refreshed from Google Patents.
US3009719A
Expired / Lapsed
US
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Locking mortise and tenon joint
Assignee: Aluminum Extrusions Inc
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Filing: 1959-06-19
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Granted: 1961-11-21
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Expires: 1979-06-19
Abstract
No abstract record available.
Inventors
- 👤 Lyle G Otto
- 👤 Wayne E Beardslee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:22
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/10; F16B12/28; F16B12/34; F16B2200/00; F16B2200/20; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7005
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) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |