US2936916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Containers
Assignee: Dempster Brothers Inc
•
Filing: 1957-09-24
•
Granted: 1960-05-17
•
Expires: 1977-09-24
Abstract
No abstract record available.
Inventors
- 👤 George R Dempster
- 👤 William A Herpich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:36
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; B65D88/56; B65F; B65F1/00; B65F1/02; Y; Y10; Y10S; Y10S220/00; Y10S220/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1408383A
Cited
US1478884A
Cited
US1760901A
Cited
US2690272A
Cited
US2626069A
Cited
US2664219A
Cited
US2808161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |