Patent US3388520A successfully refreshed from Google Patents.
US3388520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioner closure panel
Assignee: White Consolidated Industries Inc
•
Filing: 1965-06-11
•
Granted: 1968-06-18
•
Expires: 1985-06-11
Abstract
No abstract record available.
Inventors
- 👤 Robert P Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:57
CPC Classifications
F; F24; F24F; F24F13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1282281A
Cited
US1889206A
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US2191500A
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US2262670A
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US2270710A
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US2660866A
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US2720683A
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US2805712A
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US2714546A
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US2975491A
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US3048897A
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US3064550A
Cited
US3286412A
Cited
US3283804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |