US2859961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan-folding machines
Assignee: HARPER ALLEN
•
Filing: 1951-06-18
•
Granted: 1958-11-11
•
Expires: 1971-06-18
Abstract
No abstract record available.
Inventors
- 👤 Philip H Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:19
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/20; B65H2701/00; B65H2701/10; B65H2701/11; B65H2701/112; B65H2701/1123; B65H2701/11231
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US886454A
Cited
US1185260A
Cited
US1249367A
Cited
US1664772A
Cited
US1962128A
Cited
US1869694A
Cited
US2196103A
Cited
US2221922A
Cited
US2434406A
Cited
US2437553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |