US2646544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic temperature regulator
Assignee: United States Atomic Energy Commission
•
Filing: 1950-09-01
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Granted: 1953-07-21
•
Expires: 1970-09-01
Abstract
No abstract record available.
Inventors
- 👤 Matthew L Sands
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/2451; G05D23/2453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2093745A
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US2126398A
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US2429827A
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US2425009A
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US2553060A
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US2579001A
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US2462207A
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US2573041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |