US3418682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge and catch assembly
Assignee: KEYCON INDUSTRIES Inc 4835 LBJ FREEWAY DALLAS TEXAS 75234 A CORP OF NEVADA
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Filing: 1966-03-28
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Granted: 1968-12-31
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Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:24
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1014; E05Y; E05Y2900/00; E05Y2900/20
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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |