US3041047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning systems
Assignee: Carrier Corp
•
Filing: 1956-01-13
•
Granted: 1962-06-26
•
Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 Carlyle M Ashley
- 👤 William H Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:15
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/02; F24F3/04; F24F1/00; F24F1/01; F24F11/00; F24F11/30; F24F11/70; F24F11/72; F24F11/74; F24F11/80; F24F11/83; F24F11/84; F24F13/00; F24F13/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2159276A
Cited
US2181529A
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US2363294A
Cited
US2287268A
Cited
US2503764A
Cited
US2492757A
Cited
US2567758A
Cited
US2631613A
Cited
US2758822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |