US2881936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated container
Assignee: Hamilton-Skotch Corp
•
Filing: 1955-03-31
•
Granted: 1959-04-14
•
Expires: 1975-03-31
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Piker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:35
CPC Classifications
A; A47; A47J; A47J41/00; A47J41/0055; A47J41/0072; A47J41/0077
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |