US3438147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disconnect for doors
Assignee: White Consolidated Industries Inc
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Filing: 1966-10-20
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Granted: 1969-04-15
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Expires: 1986-10-20
Abstract
No abstract record available.
Inventors
- 👤 Stanley C Lander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:58
CPC Classifications
A; A62; A62C; A62C2/00; A62C2/06; A62C2/18; E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/632; E05F15/643; E05F15/70; E05F15/72; E05F1/00; E05F1/02; E05F1/025; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/404; E05Y2201/41; E05Y2201/50; E05Y2800/00; E05Y2800/25; E05Y2800/254; E05Y2800/34; E05Y2800/342; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |