US2321647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making containers
Assignee: United States Envelope Co
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Filing: 1939-09-21
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Granted: 1943-06-15
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Expires: 1959-09-21
Abstract
No abstract record available.
Inventors
- 👤 Frank O Brougham
- 👤 Edmond E Poulin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:58
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/74; B29C65/745; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/32; B29C65/78; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/818; B29C66/8182; B29C66/81821; B29C66/83; B29C66/832; B29C66/8322; B29C66/836; B29C66/90; B29C66/98; B31; B31B; B31B70/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/81411; B29C66/81415; B29C66/81417; B31B2155/00; B31B2155/001; B31B2155/0014; B31B2160/00; B31B2160/10
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) | 1946-06-14 | 1946-12-14 | 1947-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-14 | 1950-12-14 | 1951-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-14 | 1954-12-14 | 1955-06-15 | $7700.00 | Window Closed / Lapsed |