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US2137142A
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Container for sheet materials
Assignee: NELSON Corp
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Filing: 1936-11-11
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Granted: 1938-11-15
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Expires: 1956-11-11
Abstract
No abstract record available.
Inventors
- 👤 Jr John M Nelson
- 👤 Watson Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:21
CPC Classifications
B; B65; B65D; B65D19/00; B65D19/02; B65D19/06; B65D19/14; B65D19/38; B65D19/44; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00029; B65D2519/00049; B65D2519/00064; B65D2519/00154; B65D2519/00169; B65D2519/00189; B65D2519/00203; B65D2519/00258; B65D2519/00263; B65D2519/00273; B65D2519/00283; B65D2519/00293; B65D2519/00313; B65D2519/00323; B65D2519/00328; B65D2519/00333; B65D2519/00492; B65D2519/00497; B65D2519/00547; B65D2519/00577; B65D2519/00582; B65D2519/00587; B65D2519/00636; B65D2519/00641; B65D2519/00661; B65D2519/00706; B65D2519/00711
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) | 1941-11-14 | 1942-05-16 | 1942-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-14 | 1946-05-16 | 1946-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-14 | 1950-05-16 | 1950-11-15 | $7700.00 | Window Closed / Lapsed |