US3417576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air conditioner
Assignee: Centaur Inc
•
Filing: 1967-03-23
•
Granted: 1968-12-24
•
Expires: 1987-03-23
Abstract
No abstract record available.
Inventors
- 👤 Elmer F Stucky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:36
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00357; B60H1/00378; B60H1/32; B60H1/3204; B60H1/3229; F; F24; F24F; F24F8/00; F24F8/10; F24F8/108; B60H1/00007; B60H1/00207; B60H2001/00235
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |