Patent US2941660A successfully refreshed from Google Patents.
US2941660A
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US
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Process of packaging and packaging structure
Assignee: Tupper Corp
•
Filing: 1953-11-27
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Granted: 1960-06-21
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Expires: 1973-11-27
Abstract
No abstract record available.
Inventors
- 👤 Earl S Tupper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:40
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0235; B65D43/0264; B65D43/0272; B65D43/0268; B65D43/0274; B65D77/00; B65D77/22; B65D77/30; B65D77/32; B65D77/38; B65D77/40; B65D2401/00; B65D2401/15; B65D2401/25; B65D2401/60; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/0012; B65D2543/00175; B65D2543/00194; B65D2543/00259; B65D2543/00296; B65D2543/00425; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00527; B65D2543/00537; B65D2543/00546; B65D2543/00555
Claims Analysis
Total Claims: 0
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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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |