US2431472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding holder for papers
Assignee: Individual
•
Filing: 1945-09-20
•
Granted: 1947-11-25
•
Expires: 1965-09-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph N Fistell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:35
CPC Classifications
B; B42; B42F; B42F7/00; B42F7/06; A; A45; A45C; A45C1/00; A45C1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596656A
Cited
US1715752A
Cited
US1684737A
Cited
US1967584A
Cited
US2036341A
Cited
US2329007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |