Patent US2603422A successfully refreshed from Google Patents.
US2603422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control system
Assignee: Individual
•
Filing: 1948-11-30
•
Granted: 1952-07-15
•
Expires: 1968-11-30
Abstract
No abstract record available.
Inventors
- 👤 Sargeaunt James Antony Hosking
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:14
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/1927; G05D23/193; G05D23/1931
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US353179A
Cited
US1775682A
Cited
US1946155A
Cited
US2136559A
Cited
US2043834A
Cited
US2236624A
Cited
US2261343A
Cited
US2420043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |