US2570223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mulling apparatus
Assignee: Pettibone Traverse Lift LLC
•
Filing: 1948-07-03
•
Granted: 1951-10-09
•
Expires: 1968-07-03
Abstract
No abstract record available.
Inventors
- 👤 Leroy E Everett
- 👤 Ernest A Hund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:29
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/04; B22C5/0409; B22C5/0422; B22C5/0427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US566777A
Cited
US1955841A
Cited
US1857337A
Cited
US1910028A
Cited
US1931150A
Cited
US1969523A
Cited
US2103895A
Cited
US2309036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |