US2623633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Picnic coaster and holder therefor
Assignee: Individual
•
Filing: 1950-11-13
•
Granted: 1952-12-30
•
Expires: 1970-11-13
Abstract
No abstract record available.
Inventors
- 👤 Otto A Bladow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:39
CPC Classifications
A; A45; A45F; A45F3/00; A45F3/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US67391A
Cited
US647388A
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US716560A
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US982538A
Cited
US1530815A
Cited
AU2753730A
Cited
US1879952A
Cited
US1876322A
Cited
US1930300A
Cited
US1981627A
Cited
US2365461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |