Patent US2117220A successfully refreshed from Google Patents.
US2117220A
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US
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Machine for making box blanks
Assignee: Samuel M Langston Co
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Filing: 1936-09-10
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Granted: 1938-05-10
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Expires: 1956-09-10
Abstract
No abstract record available.
Inventors
- 👤 Sieg Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:29
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/14; B31B50/146; B31B50/20; B31B50/22; B31B50/25; B31B50/254; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T83/00; Y10T83/929; Y10T83/9372; Y10T83/9391
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) | 1941-05-09 | 1941-11-08 | 1942-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-09 | 1945-11-08 | 1946-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-09 | 1949-11-08 | 1950-05-10 | $7700.00 | Window Closed / Lapsed |