US2619367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Releasable valved coupling
Assignee: Deere Manufacturing Co
•
Filing: 1949-05-19
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Granted: 1952-11-25
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Expires: 1969-05-19
Abstract
No abstract record available.
Inventors
- 👤 Paul L Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:46
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/38; F16L37/40; F16L37/407; A; A01; A01B; A01B63/00; A01B63/14; A01B63/16; A01B63/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |