US3450342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-conditioning apparatus
Assignee: Carrier Corp
•
Filing: 1966-12-01
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Granted: 1969-06-17
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Expires: 1986-12-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Arledge Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:02
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F16; F16K; F16K31/00; F16K31/002; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F11/75; F24F11/76; F24F11/80; F24F11/81; F24F11/83; F24F11/84; G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132; G05D23/1333; G05D23/185; G05D23/1854; G05D23/1858; F24F11/30; F24F13/082; F24F2013/087; F24F2110/00; F24F2110/10; F24F2140/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/7722; Y10T137/7737
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) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |