US2542099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boxmaking system
Assignee: Stokes and Smith Co
•
Filing: 1946-01-16
•
Granted: 1951-02-20
•
Expires: 1966-01-16
Abstract
No abstract record available.
Inventors
- 👤 Stokes May Margaret
- 👤 Jr John S Stokes
- 👤 Yarnall D Robert
- 👤 Jr Percy C Madeira
- 👤 Co Oprovident Trust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:59
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B2105/00; B31B2105/002; B31B2105/0024; B31B2110/00; B31B2110/30; B31B2110/35; B31B2120/00; B31B2120/50; B31B2120/501
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US722038A
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US1822054A
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US1894547A
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US2236664A
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US2247672A
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US2346792A
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US2362168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |