US2481776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rheostat control device
Assignee: Honeywell Inc
•
Filing: 1945-06-27
•
Granted: 1949-09-13
•
Expires: 1965-06-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Osborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:15
CPC Classifications
B; B64; B64C; B64C13/00; B64C13/02; B64C13/04; B64C13/042; B64C13/0421
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US539863A
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US640688A
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US1427684A
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DE553559C
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US2270866A
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US2270867A
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US2219601A
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US2331790A
Cited
US2396309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |