US2722399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined coupling and valve for compressed air conduits
Assignee: Oetiker Schweiz AG
•
Filing: 1950-08-05
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Granted: 1955-11-01
•
Expires: 1970-08-05
Abstract
No abstract record available.
Inventors
- 👤 Oetiker Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:49
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/096; F16L37/28; F16L37/38; F16L37/44; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1551439A
Cited
US999169A
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US1092673A
Cited
US1728756A
Cited
US1677446A
Cited
US1664816A
Cited
US1948852A
Cited
US2369356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |