Patent US2761949A successfully refreshed from Google Patents.
US2761949A
Expired / Lapsed
US
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Prefabricated pipe system
Assignee: Fluid Systems Inc
•
Filing: 1954-09-29
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Granted: 1956-09-04
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Expires: 1974-09-29
Abstract
No abstract record available.
Inventors
- 👤 George W Colton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:28
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; F; F16; F16L; F16L59/00; F16L59/14; F16L59/16; F16L59/18; F16L59/20; F16L59/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1733250A
Cited
US2057242A
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US2314764A
Cited
US2658527A
Cited
US2546533A
Cited
US2611567A
Cited
US2580244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |