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Patent US3028018A successfully refreshed from Google Patents.
US3028018A
Expired / Lapsed
US
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Collapsible boom for mobile cranes
Assignee: Individual
•
Filing: 1959-05-08
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Granted: 1962-04-03
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Expires: 1979-05-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:02
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357; B66C2700/0364; B66C2700/0371
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US885803A
Cited
US1920370A
Cited
US2073539A
Cited
DE849605C
Cited
FR1036452A
Cited
GB737302A
Cited
US2772790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |