US3005397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outlet unit for ventilating plants
Assignee: HI PRESS AIR CONDITIONING OF A
•
Filing: 1957-11-14
•
Granted: 1961-10-24
•
Expires: 1977-11-14
Abstract
No abstract record available.
Inventors
- 👤 Kristiansen Svend Helge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:02
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/01; F24F13/00; F24F13/02; F24F13/04; F24F2221/00; F24F2221/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB267656A
Cited
US1783005A
Cited
US2644389A
Cited
US2724320A
Cited
US2737875A
Cited
US2741971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |