US3012760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioning units
Assignee: Carrier Corp
•
Filing: 1957-03-01
•
Granted: 1961-12-12
•
Expires: 1977-03-01
Abstract
No abstract record available.
Inventors
- 👤 William L Mcgrath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/26; F24F1/00; F24F1/01; Y; Y10; Y10S; Y10S165/00; Y10S165/228; Y10S165/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1291632A
Cited
US2140305A
Cited
US2186804A
Cited
US2492757A
Cited
US2567758A
Cited
US2607193A
Cited
CH315528A
Cited
US2783979A
Cited
US2913227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |