Patent US2602678A successfully refreshed from Google Patents.
US2602678A
Expired / Lapsed
US
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Flexible v band tube coupling
Assignee: Marmac Products Inc
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Filing: 1950-10-17
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Granted: 1952-07-08
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Expires: 1970-10-17
Abstract
No abstract record available.
Inventors
- 👤 George A Mahoff
- 👤 Richard O Jessup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:07
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/04; F16L23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1632042A
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US711946A
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US818511A
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US1007326A
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US2359030A
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US2424436A
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US2457077A
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US2519847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |