US2731178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pouring attachment for containers
Assignee: HAROLD E HAMMAN
•
Filing: 1950-04-17
•
Granted: 1956-01-17
•
Expires: 1970-04-17
Abstract
No abstract record available.
Inventors
- 👤 Robert T Larsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:56
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/38; B65D25/40; B65D25/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US313191A
Cited
US719820A
Cited
GB190970A
Cited
US1865736A
Cited
US2022601A
Cited
US2168784A
Cited
US2180581A
Cited
US2180045A
Cited
US2498318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |