Patent US3390418A successfully refreshed from Google Patents.
US3390418A
Expired / Lapsed
US
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Lightweight door and mounting structure therefor
Assignee: LEIGH PRODUCTS Inc
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Filing: 1966-08-30
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Granted: 1968-07-02
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Expires: 1986-08-30
Abstract
No abstract record available.
Inventors
- 👤 Leon B Sheridan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:35
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/0009; E05D7/0018; E05D7/0027; E05D15/00; E05D15/26; E05D15/264; E05D15/266; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2943675A
Cited
US3019836A
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US3096539A
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US3156955A
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US3302691A
Cited
US3335785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |