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US2602300A
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Apparatus for laying and retrieving pipe lines
Assignee: Individual
•
Filing: 1950-07-13
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Granted: 1952-07-08
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Expires: 1970-07-13
Abstract
No abstract record available.
Inventors
- 👤 Samuel V Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:42
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/12; F16L1/16; F16L1/163; E; E02; E02F; E02F5/00; E02F5/02; E02F5/10; E02F5/104; E02F5/107
Claims Analysis
Total Claims: 0
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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) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |