US2292241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grade indicator
Assignee: A E C HEYSSEL
•
Filing: 1941-03-14
•
Granted: 1942-08-04
•
Expires: 1961-03-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:55
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18; G01C9/24; Y; Y10; Y10S; Y10S116/00; Y10S116/13; Y10S37/00; Y10S37/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-08-03 | 1946-02-02 | 1946-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-03 | 1950-02-02 | 1950-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-03 | 1954-02-02 | 1954-08-04 | $7700.00 | Window Closed / Lapsed |