Patent US2609183A successfully refreshed from Google Patents.
US2609183A
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US
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Control apparatus
Assignee: Honeywell Inc
•
Filing: 1948-09-02
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Granted: 1952-09-02
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Expires: 1968-09-02
Abstract
No abstract record available.
Inventors
- 👤 Frank R Fitzgerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:51
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/044; F24F3/048; F24F3/052; F24F3/0522
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2183874A
Cited
US2210868A
Cited
US2254185A
Cited
US2363595A
Cited
US2495861A
Cited
US2440052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |