Patent US2059458A successfully refreshed from Google Patents.
Patent US2749149A successfully refreshed from Google Patents.
US2749149A
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Hinge type coupling flange
Assignee: MERIDAN Corp
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Filing: 1951-06-15
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Granted: 1956-06-05
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Expires: 1971-06-15
Abstract
No abstract record available.
Inventors
- 👤 Robert H Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:59
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/02; F16L23/024; F16L23/028; F16L23/0283; F16L23/032; F16B; F16B2200/00; F16B2200/40; F16B2200/403
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US335592A
Cited
US432318A
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US1809313A
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US2376134A
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US2413878A
Cited
US2422597A
Cited
US2681817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |