US2730401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure operated telescopic hoists
Assignee: Heil Co
•
Filing: 1951-07-13
•
Granted: 1956-01-10
•
Expires: 1971-07-13
Abstract
No abstract record available.
Inventors
- 👤 George A Rea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:16
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/16; B60P1/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE17130E
Cited
FR552087A
Cited
US1465365A
Cited
US1925296A
Cited
US2517153A
Cited
US2590362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |