US2637182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-walled tumbler
Assignee: Individual
•
Filing: 1950-01-27
•
Granted: 1953-05-05
•
Expires: 1970-01-27
Abstract
No abstract record available.
Inventors
- 👤 Davis George Howlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:48
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; A; A47; A47G; A47G19/00; A47G19/22; A47G19/2288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US723796A
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US1208483A
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AT92683B
Cited
US1519034A
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US1968263A
Cited
US1975241A
Cited
US1997055A
Cited
US2436122A
Cited
US2399117A
Cited
US2499565A
Cited
US2493633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |