US3368699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe handling methods and apparatus
Assignee: Individual
•
Filing: 1965-09-17
•
Granted: 1968-02-13
•
Expires: 1985-09-17
Abstract
No abstract record available.
Inventors
- 👤 Orville C Scaggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:03
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/14; E21B19/15; E21B19/155
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US804635A
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US1055128A
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US2453963A
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US2425292A
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US2539751A
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US2966994A
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US2946464A
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US3174273A
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US3195862A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |