US2598009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved pipe coupling
Assignee: DeVilbiss Co
•
Filing: 1950-03-25
•
Granted: 1952-05-27
•
Expires: 1970-03-25
Abstract
No abstract record available.
Inventors
- 👤 Donald J Peeps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:45
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/38; F16L37/40; F16L37/407; F16L37/24; F16L37/244; F16L37/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1890011A
Cited
US1905777A
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US2024682A
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US2255333A
Cited
US2248701A
Cited
US2307393A
Cited
US2397265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |