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US2452425A
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Assignee: Honeywell Inc
•
Filing: 1946-01-05
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Granted: 1948-10-26
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Expires: 1966-01-05
Abstract
No abstract record available.
Inventors
- 👤 George H Berkholder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:40
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/02; H01H1/00; H01H1/50; H01H1/54; H01H2001/545; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896; Y10T74/18904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1896560A
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US2088411A
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US2199357A
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US2265486A
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US2232243A
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US2302250A
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US2410055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |