US2504002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stoker timer
Assignee: Honeywell Inc
•
Filing: 1943-09-27
•
Granted: 1950-04-11
•
Expires: 1963-09-27
Abstract
No abstract record available.
Inventors
- 👤 Crum Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:18
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1745975A
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US771699A
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US1210559A
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US1611063A
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US1708022A
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US1580178A
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US1693485A
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US1851247A
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US1997798A
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US1909933A
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US1965761A
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US2055641A
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US2128413A
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US2248528A
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US2234375A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |