US3378673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated hose assembly
Assignee: Individual
•
Filing: 1965-10-18
•
Granted: 1968-04-16
•
Expires: 1985-10-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas O Hopper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:36
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/12; F24H1/14; F24H1/142; F16; F16L; F16L53/00; F16L53/30; F16L53/35; F16L53/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1105795A
Cited
GB372745A
Cited
US1995302A
Cited
US2243220A
Cited
GB527759A
Cited
US2274839A
Cited
US2617916A
Cited
US2793280A
Cited
US2760047A
Cited
US2915615A
Cited
US3120600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |