Patent US3430469A successfully refreshed from Google Patents.
US3430469A
Expired / Lapsed
US
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Key ejector
Assignee: DONALD L CHENEY
•
Filing: 1967-07-19
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Granted: 1969-03-04
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Expires: 1987-07-19
Abstract
No abstract record available.
Inventors
- 👤 Bernie M Baxter
- 👤 Donald L Cheney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:41
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/003; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7667; Y10T70/7706; Y10T70/7763; Y10T70/778; Y10T70/7791; Y10T70/791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US963632A
Cited
US1798917A
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US1917778A
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US2287048A
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US2568206A
Cited
US2655569A
Cited
US3167943A
Cited
US3320782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |