Patent US2996085A successfully refreshed from Google Patents.
US2996085A
Expired / Lapsed
US
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Apparatus for lining pipelines
Assignee: American Pipe and Construction Co
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Filing: 1959-03-20
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Granted: 1961-08-15
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 Francis M Matheny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:43
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/26; B29C63/30; B29C63/32; B05; B05C; B05C7/00; B05C7/02; B05C7/06; B05C7/08; F; F16; F16L; F16L55/00; F16L55/16; F16L55/162; F16L55/1645; F16L55/165; F16L55/1655; F16L55/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49718; Y10T29/49746
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |