US2759757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe handling mechanism
Assignee: PIPE LINE CONSTRUCTION AND DRI
•
Filing: 1952-09-15
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Granted: 1956-08-21
•
Expires: 1972-09-15
Abstract
No abstract record available.
Inventors
- 👤 Garland B Pace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:30
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US880404A
Cited
US1488716A
Cited
US1508417A
Cited
US1764481A
Cited
US2486489A
Cited
US2610888A
Cited
US2595902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |