US2622246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throw-away bib
Assignee: EARL CRUTTENDEN
•
Filing: 1950-10-02
•
Granted: 1952-12-23
•
Expires: 1970-10-02
Abstract
No abstract record available.
Inventors
- 👤 John P Hufnagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:30
CPC Classifications
A; A41; A41B; A41B13/00; A41B13/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1548830A
Cited
US1980436A
Cited
US2164369A
Cited
US2492599A
Cited
US2425961A
Cited
US2431052A
Cited
US2523323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |