US2610797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control apparatus
Assignee: AT&T Inc
•
Filing: 1949-04-22
•
Granted: 1952-09-16
•
Expires: 1969-04-22
Abstract
No abstract record available.
Inventors
- 👤 Merton R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:16
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/22; G05D23/1906; G05D23/1909
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1815061A
Cited
US2046860A
Cited
US2085855A
Cited
US2148491A
Cited
US2139504A
Cited
US2085856A
Cited
US2220028A
Cited
US2376488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |