US2326978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube cutoff mechanism
Assignee: Samuel M Langston Co
•
Filing: 1942-01-20
•
Granted: 1943-08-17
•
Expires: 1962-01-20
Abstract
No abstract record available.
Inventors
- 👤 Sieg Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:07
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/56; B26D1/60; B31; B31C; B31C3/00; Y; Y10; Y10T; Y10T82/00; Y10T82/16; Y10T82/16032; Y10T82/16426; Y10T82/16655; Y10T82/16704; Y10T82/16754; Y10T83/00; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4664; Y10T83/4667; Y10T83/467; Y10T83/4728
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1946-08-16 | 1947-02-15 | 1947-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-16 | 1951-02-15 | 1951-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-16 | 1955-02-15 | 1955-08-17 | $7700.00 | Window Closed / Lapsed |