US2922533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift
Assignee: LABARGE PIPE AND STEEL Co
•
Filing: 1957-12-30
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Granted: 1960-01-26
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Pierre L La Barge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:43
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B65; B65G; B65G69/00; B65G69/22; B65G69/24; B66; B66F; B66F7/00; B66F7/06; B66F7/0641; B66F7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1862516A
Cited
US2211474A
Cited
US2189010A
Cited
US2480916A
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US2587067A
Cited
US2535979A
Cited
US2617547A
Cited
US2785807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |