US2798757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article lifting device
Assignee: AMF Inc
•
Filing: 1951-02-23
•
Granted: 1957-07-09
•
Expires: 1971-02-23
Abstract
No abstract record available.
Inventors
- 👤 Jackson John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
B; B65; B65B; B65B23/00; B65B23/02; B65B23/06; B65B23/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US389485A
Cited
US750667A
Cited
GB190807692A
Cited
US1060948A
Cited
US1549159A
Cited
US1987336A
Cited
US2204738A
Cited
US2658789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |