US3493204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable supports for and/or incorporated in liquid conduits used principally in conjunction with waste systems of travel trailers and mobile homes
Assignee: MELVIN L PROUTY
•
Filing: 1967-11-24
•
Granted: 1970-02-03
•
Expires: 1987-11-24
Abstract
No abstract record available.
Inventors
- 👤 Melvin L Prouty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:13
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1505220A
Cited
US2347171A
Cited
US2736525A
Cited
US2724569A
Cited
US2978840A
Cited
US2846168A
Cited
US3169741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |