US2168422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making boxes
Assignee: Stokes and Smith Co
•
Filing: 1937-03-12
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Granted: 1939-08-08
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Expires: 1957-03-12
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Rider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:03
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/60; B31B50/72; B31B50/722; B31B70/00; B31B2105/00; B31B2110/00; B31B2110/30; B31B2110/35; B31B2120/00; B31B2120/50; B31B2120/501; B31B2160/00; B31B2160/10; B31B50/26; B31B50/52
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) | 1942-08-07 | 1943-02-06 | 1943-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-07 | 1947-02-06 | 1947-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-07 | 1951-02-06 | 1951-08-08 | $7700.00 | Window Closed / Lapsed |