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US1765023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crane rig
Assignee: Mcwane Cast Iron Pipe Co
•
Filing: 1928-08-07
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Granted: 1930-06-17
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Expires: 1948-08-07
Abstract
No abstract record available.
Inventors
- 👤 James R Mcwane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:10
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-06-16 | 1933-12-16 | 1934-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-16 | 1937-12-16 | 1938-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-16 | 1941-12-16 | 1942-06-17 | $7700.00 | Window Closed / Lapsed |