US2771292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Squaring devices for box closing machines
Assignee: Samuel M Langston Co
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Filing: 1953-06-17
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Granted: 1956-11-20
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Expires: 1973-06-17
Abstract
No abstract record available.
Inventors
- 👤 William J Emerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:14
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/18; B31; B31B; B31B50/00; B31B50/003; B31B2100/00; B31B2100/002; B31B2100/0022; B31B2120/00; B31B2120/30; B65H2301/00; B65H2301/50; B65H2301/51; B65H2301/512; B65H2301/5123; B65H2301/51232; B65H2701/00; B65H2701/10; B65H2701/13; B65H2701/132; B65H2701/1321; B65H2701/13212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |