US2717541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton forming apparatus
Assignee: Waldorf Paper Products Co
•
Filing: 1951-08-10
•
Granted: 1955-09-13
•
Expires: 1971-08-10
Abstract
No abstract record available.
Inventors
- 👤 Hedlund Harland Robert
- 👤 Keith E Burnham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:55
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/26; B31B50/44; B31B50/46; B31B50/60; B31B50/73; B31B50/732; B31B50/734
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US891642A
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US1563184A
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US1899652A
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US1935832A
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US1945243A
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US2321562A
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US2243352A
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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) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |