Patent US3848999A successfully refreshed from Google Patents.
US2731028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Uniroyal Inc
•
Filing: 1952-08-20
•
Granted: 1956-01-17
•
Expires: 1972-08-20
Abstract
No abstract record available.
Inventors
- 👤 Georgie P Mccord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:34
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; F16K15/202; Y; Y10; Y10T; Y10T137/00; Y10T137/3584
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US670725A
Cited
US795642A
Cited
US1732158A
Cited
US1641382A
Cited
US1951565A
Cited
US2176565A
Cited
US2288889A
Cited
US2318115A
Cited
US2585286A
Cited
US2634785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |