Patent US2780376A successfully refreshed from Google Patents.
US2780376A
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US
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Machine for continuously laying and joining pipe sections
Assignee: Individual
•
Filing: 1955-03-01
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Granted: 1957-02-05
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Expires: 1975-03-01
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:23
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/09; F; F16; F16L; F16L1/00; F16L1/024; F16L1/0243; F16L1/06; F16L1/065; Y; Y10; Y10S; Y10S414/00; Y10S414/123; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49828; Y10T29/49831
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2603365A
Cited
US1088980A
Cited
US1152326A
Cited
FR862220A
Cited
US2538365A
Cited
US2704162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |