US2581525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control apparatus
Assignee: Honeywell Inc
•
Filing: 1948-07-17
•
Granted: 1952-01-08
•
Expires: 1968-07-17
Abstract
No abstract record available.
Inventors
- 👤 Gene T Gaddis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:18
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/1927; G05D23/193; G05D23/1931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1044269A
Cited
DE504773C
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US2175945A
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US2329636A
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US2335071A
Cited
US2423541A
Cited
US2429916A
Cited
US2505565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |