US3238734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for burying and recovering pipe in underwater locations
Assignee: Individual
•
Filing: 1963-04-25
•
Granted: 1966-03-08
•
Expires: 1983-04-25
Abstract
No abstract record available.
Inventors
- 👤 Raymond F Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:30
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/02; E02F5/10; E02F5/104; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E02F3/9212; E02F3/9218; E02F3/9225; E02F3/9237; E02F5/107; E02F5/109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US921252A
Cited
US2052372A
Cited
US2065809A
Cited
US2693085A
Cited
US2755632A
Cited
US3004392A
Cited
US3010232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |