US2678074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float and coupling therefor
Assignee: ARDIS V ROBINSON
•
Filing: 1951-04-09
•
Granted: 1954-05-11
•
Expires: 1971-04-09
Abstract
No abstract record available.
Inventors
- 👤 Paul L Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:03
CPC Classifications
F; F16; F16K; F16K33/00; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/93; Y10S411/955; Y10S411/965; Y10S411/968
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US585449A
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US722046A
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US1257295A
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US1271459A
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US1466494A
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US1538789A
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US1681048A
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US2343975A
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US2358472A
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GB567153A
Cited
US2446174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |