US2531855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sipping straw
Assignee: Individual
•
Filing: 1946-09-19
•
Granted: 1950-11-28
•
Expires: 1966-09-19
Abstract
No abstract record available.
Inventors
- 👤 Alexander M Loptson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:57
CPC Classifications
A; A47; A47G; A47G21/00; A47G21/18
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) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |