Patent US2942874A successfully refreshed from Google Patents.
US2942874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for folding
Assignee: Hydraxtor Co
•
Filing: 1957-07-24
•
Granted: 1960-06-28
•
Expires: 1977-07-24
Abstract
No abstract record available.
Inventors
- 👤 Hajos Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:12
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/02; B65H45/04; Y; Y10; Y10S; Y10S493/00; Y10S493/937
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2374779A
Cited
US2656109A
Cited
US2652197A
Cited
US2659598A
Cited
US2673686A
Cited
US2774592A
Cited
US2777689A
Cited
US2740045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |