US2417292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microlimit indicating system
Assignee: SENN Corp
•
Filing: 1945-02-24
•
Granted: 1947-03-11
•
Expires: 1965-02-24
Abstract
No abstract record available.
Inventors
- 👤 Charles F Coake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:40
CPC Classifications
G; G01; G01B; G01B7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1809683A
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US1913148A
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US1989510A
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US2060988A
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US2181568A
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US2153986A
Cited
US2225046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-10 | 1950-09-09 | 1951-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-10 | 1954-09-09 | 1955-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-10 | 1958-09-09 | 1959-03-11 | $7700.00 | Window Closed / Lapsed |