US2749931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary tube valve and cap
Assignee: Individual
•
Filing: 1949-08-26
•
Granted: 1956-06-12
•
Expires: 1969-08-26
Abstract
No abstract record available.
Inventors
- 👤 Battin Harold Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:11
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/374; Y10T137/3755; Y10T137/3786; Y10T137/598; Y10T137/6116
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1403484A
Cited
US1542992A
Cited
US1865580A
Cited
US1969224A
Cited
US2135869A
Cited
US2231449A
Cited
US2128623A
Cited
US2198122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |