Patent US2535838A successfully refreshed from Google Patents.
US2535838A
Expired / Lapsed
US
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Method of making a tablet box
Assignee: Continental Can Co Inc
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Filing: 1946-03-05
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Granted: 1950-12-26
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Expires: 1966-03-05
Abstract
No abstract record available.
Inventors
- 👤 Coyle John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:57
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44; B65; B65D; B65D43/00; B65D43/26; Y; Y10; Y10T; Y10T29/00; Y10T29/18; Y10T29/185; Y10T29/49; Y10T29/49826; Y10T29/4984
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US749725A
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US687125A
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US997283A
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US1904778A
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US1912915A
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US2257682A
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US2271630A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |