US3249238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boom comprised of sections of differing cross section having aligned elastic centers
Assignee: Caterpillar Global Mining LLC
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Filing: 1964-02-14
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Granted: 1966-05-03
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Nils E Hedeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:19
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/14; B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C23/62; B66C23/64; B66C23/70; B66C2700/00; B66C2700/03; B66C2700/0321; B66C2700/0357; B66C2700/0364; B66C2700/0371
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN A BOOM THE COMBINATION COMPRISING: A FIRST SECTION OF LENGTH; AND A SECOND SECTION OF LENGTH WITH A CROSS SECTION GEOMETRY DIFFERING FROM THAT OF THE FIRST SECTION OF LENGTH, AND WITH THE ELASTIC CENTER OF THE SECOND SECTION IN SUBSTANTIAL REGISTRY WITH THE ELASTIC CENTER OF THE FIRST SECTION AT THE TRANSITION BETWEEN SECTIONS.
Claim 2
Dependent Claim
56 words
IN A BOOM THE COMBINATION COMPRISING: A FIRST SECTION OF LENGTH; AND A SECOND SECTION OF LENGTH WITH A CROSS SECTION GEOMETRY DIFFERING FROM THAT OF THE FIRST SECTION OF LENGTH, AND WITH THE ELASTIC CENTER OF THE SECOND SECTION IN SUBSTANTIAL REGISTRY WITH THE ELASTIC CENTER OF THE FIRST SECTION AT THE TRANSITION BETWEEN SECTIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |