US3415310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling the temperature and oxygen concentration in a compartment
Assignee: INDUSTRIAL AIR PRODUCTS CO
•
Filing: 1967-06-26
•
Granted: 1968-12-10
•
Expires: 1987-06-26
Abstract
No abstract record available.
Inventors
- 👤 Kuhlmann Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:29
CPC Classifications
F; F24; F24F; F24F5/00; F24F11/00; F24F11/70; F24F11/80; F24F11/83; F24F11/84; F24F11/88; G; G05; G05B; G05B11/00; F24F11/30; F24F2110/00; F24F2110/10; F24F2110/50; F24F2110/65; F24F2110/76; Y; Y02; Y02B; Y02B30/00; Y02B30/70
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1798781A
Cited
US2130430A
Cited
US2318576A
Cited
US3166913A
Cited
US3102777A
Cited
US3307618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |