US3500867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced flexible hose
Assignee: Acme Hamilton Manufacturing Corp
•
Filing: 1967-01-23
•
Granted: 1970-03-17
•
Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Elson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:13
CPC Classifications
D; D04; D04C; D04C1/00; D04C1/06; F; F16; F16L; F16L11/00; F16L11/04; F16L11/08; F16L11/085; F16L11/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1284956A
Cited
US1914455A
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US2383733A
Cited
US2690769A
Cited
US2788804A
Cited
US2752952A
Cited
US2906638A
Cited
US3117597A
Cited
US3334663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |