US2316971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring board and cutoff stop
Assignee: Individual
•
Filing: 1940-04-26
•
Granted: 1943-04-20
•
Expires: 1960-04-26
Abstract
No abstract record available.
Inventors
- 👤 Overacker Frank Sylvester
- 👤 Thorn Harry Grover
- 👤 Wark David Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:56
CPC Classifications
B; B27; B27B; B27B27/00; B27B27/04; B23; B23D; B23D47/00; B23D47/02; B23D47/025; Y; Y10; Y10T; Y10T83/00; Y10T83/748; Y10T83/7593; Y10T83/7607; Y10T83/764
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) | 1946-04-19 | 1946-10-19 | 1947-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-19 | 1950-10-19 | 1951-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-19 | 1954-10-19 | 1955-04-20 | $7700.00 | Window Closed / Lapsed |