US2928541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton
Assignee: Lengsfield Brothers Inc
•
Filing: 1957-11-12
•
Granted: 1960-03-15
•
Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Francis W Fielding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:13
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/06; B65D71/12; B65D71/14; B65D71/16; B65D2571/00; B65D2571/00123; B65D2571/00129; B65D2571/00135; B65D2571/00141; B65D2571/00648; B65D2571/00654; B65D2571/0066; B65D2571/00709; B65D2571/00722; B65D2571/00759
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2554190A
Cited
US2565449A
Cited
US2605035A
Cited
US2798603A
Cited
US2849111A
Cited
US2854183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |