US2880020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hose coupling with wedge hose gripping means
Assignee: Individual
•
Filing: 1955-10-12
•
Granted: 1959-03-31
•
Expires: 1975-10-12
Abstract
No abstract record available.
Inventors
- 👤 Richard R Audette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:54
CPC Classifications
F; F16; F16L; F16L33/00; F16L33/22; F16L33/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189503454A
Cited
US755204A
Cited
GB190525701A
Cited
US1098294A
Cited
US1186325A
Cited
US1232129A
Cited
US1244577A
Cited
US1887877A
Cited
US2081021A
Cited
US2342192A
Cited
US2408960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |