US2556915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced carton
Assignee: Waldorf Paper Products Co
•
Filing: 1946-06-19
•
Granted: 1951-06-12
•
Expires: 1966-06-19
Abstract
No abstract record available.
Inventors
- 👤 Guyer Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:03
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/441
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US254679A
Cited
US888026A
Cited
GB190929612A
Cited
US1747967A
Cited
US2001850A
Cited
US2145682A
Cited
US2442079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |