US2926028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible pipe coupling
Assignee: MAJOR ALUMINUM PRODUCTS Ltd
•
Filing: 1955-07-11
•
Granted: 1960-02-23
•
Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 Paul H H Hookings
- 👤 Thom James Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:32
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/02; F16L17/03; F16L17/035; F16L27/00; F16L27/10; F16L27/113; F16L37/00; F16L37/24; F16L37/244; F16L37/252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US864299A
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US1073017A
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US1490771A
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US2241771A
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US2199939A
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US2465708A
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US2494855A
Cited
US2589321A
Cited
US2534723A
Cited
US2643138A
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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) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |