US2347439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for making containers
Assignee: United States Envelope Co
•
Filing: 1939-09-21
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Granted: 1944-04-25
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Expires: 1959-09-21
Abstract
No abstract record available.
Inventors
- 👤 James J Shea
- 👤 William F Irrgang
- 👤 Jr Willard Everett Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:59
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/60; B31B70/62; B31B2155/00; B31B2155/001; B31B2155/0014; B31B2160/00; B31B2160/10; B31B2160/106; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1082
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) | 1947-04-25 | 1947-10-25 | 1948-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-25 | 1951-10-25 | 1952-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-25 | 1955-10-25 | 1956-04-25 | $7700.00 | Window Closed / Lapsed |