US2540694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Box blank taping machine
Assignee: Samuel M Langston Co
•
Filing: 1948-03-27
•
Granted: 1951-02-06
•
Expires: 1968-03-27
Abstract
No abstract record available.
Inventors
- 👤 Sieg Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:47
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/60; B31B50/72; B31B50/726; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1343; Y10T83/00; Y10T83/505; Y10T83/515; Y10T83/525; Y10T83/531; Y10T83/626; Y10T83/637
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1751390A
Cited
US2248744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |