US2463446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination gas tank and valve mechanism
Assignee: Individual
•
Filing: 1947-05-03
•
Granted: 1949-03-01
•
Expires: 1967-05-03
Abstract
No abstract record available.
Inventors
- 👤 Wayne W Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:07
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/04; B60R25/042; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; Y; Y10; Y10T; Y10T137/00; Y10T137/7069; Y10T137/7256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |