US2776691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-walled tumbler and seal
Assignee: Individual
•
Filing: 1953-01-12
•
Granted: 1957-01-08
•
Expires: 1973-01-12
Abstract
No abstract record available.
Inventors
- 👤 Earl S Tupper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:22
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US178622A
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US663733A
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US664472A
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US925781A
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US913337A
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US1281966A
Cited
US2487400A
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US2614727A
Cited
US2626647A
Cited
US2679875A
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US2695645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |