US2650718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building block handling crane
Assignee: Individual
•
Filing: 1950-01-17
•
Granted: 1953-09-01
•
Expires: 1970-01-17
Abstract
No abstract record available.
Inventors
- 👤 Palmer Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:51
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/16; B66C23/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US70455A
Cited
US329219A
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US845733A
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US1023006A
Cited
US1615115A
Cited
US1720240A
Cited
US2198652A
Cited
US2275074A
Cited
US2518776A
Cited
US2520238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |