Patent US3019836A successfully refreshed from Google Patents.
US3019836A
Expired / Lapsed
US
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Folding doors and mounting fixtures therefor
Assignee: AIR CONTROL PRODUCTS Inc
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Filing: 1959-02-20
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Granted: 1962-02-06
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Expires: 1979-02-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Leigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:55
CPC Classifications
E; E05; E05D; 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)
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Cited
US1381744A
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US1481239A
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US1655174A
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US2333312A
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US2386510A
Cited
US2482855A
Cited
US2860701A
Cited
US2842795A
Cited
US2882962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |