Patent US2831407A successfully refreshed from Google Patents.
US2831407A
Expired / Lapsed
US
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Machine for opening flat fold cartons
Assignee: Fibreboard Paper Products Corp
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Filing: 1954-02-15
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Granted: 1958-04-22
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Expires: 1974-02-15
Abstract
No abstract record available.
Inventors
- 👤 Walter F Pittman
- 👤 George R Bergen
- 👤 Sherwood D Wiemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:54
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/26; B65B43/34; B65B43/345; B31; B31B; B31B2100/00; B31B2120/00; B31B2120/20; B31B2120/30; B31B2241/00; B31B2241/001; B31B50/00; B31B50/74; B31B50/76; B31B50/81; Y; Y10; Y10S; Y10S493/00; Y10S493/901; Y10S493/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |