Patent US2921606A successfully refreshed from Google Patents.
US2921606A
Expired / Lapsed
US
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Dip tube supporting means
Assignee: MARINE CONTROLS LAB
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Filing: 1955-02-18
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Granted: 1960-01-19
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Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Claudius R Mccauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:58
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/26; F24; F24H; F24H9/00; F24H9/12; F24H9/13; F24H9/133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US921079A
Cited
US1548986A
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US1746132A
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FR739434A
Cited
US2477436A
Cited
US2648549A
Cited
US2764427A
Cited
US2842163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |