Patent US3585699A successfully refreshed from Google Patents.
US3585699A
Expired / Lapsed
US
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Method of connecting subterranean pipe lines
Assignee: Individual
•
Filing: 1969-05-12
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Granted: 1971-06-22
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Expires: 1989-05-12
Abstract
Abstract THE INVENTION IS DIRECTED TO A NOVEL METHOD FOR EXTENDING AN EXISTING PIPE LINE SUCH AS AN UNDERGROUND SEWER OR THE LIKE BY CONNECTING TO IT A LATERAL OR BRANCH LINE WITHOUT INTERFERING WITH THE CONTINUOUS AVAILABILITY FOR SERVICE OF THE EXISTING LINE
Inventors
- 👤 Eugene E Shuttle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:59
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/04; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0441; Y10T29/00; Y10T29/49; Y10T29/49403; Y10T29/49789; Y10T29/49792
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |