US3535987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for forming cartons
Assignee: Fibreboard Corp
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Filing: 1968-06-06
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Granted: 1970-10-27
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Expires: 1988-06-06
Abstract
No abstract record available.
Inventors
- 👤 George Schafer
- 👤 Ezra E Theys
- 👤 Hugh B Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:52
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/20; B31; B31B; B31B50/00; B31B50/60; B31B50/64; B31B2100/00; B31B2120/00; B31B2120/30; B31B50/004; B31B50/0044; B31B50/74; B31B50/76; B31B50/78; B31B50/784
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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |