US2694584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling
Assignee: HELEN EMILY MILLER
•
Filing: 1950-02-18
•
Granted: 1954-11-16
•
Expires: 1970-02-18
Abstract
No abstract record available.
Inventors
- 👤 Miller Helen Emily
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:34
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/22; F16L33/222; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17564; Y10T279/17572; Y10T279/17581
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1946629A
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DE699641C
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US2120275A
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US2280892A
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US2371971A
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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) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |