Patent US2722337A successfully refreshed from Google Patents.
US2722337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure member
Assignee: Buckeye Iron and Brass Works
•
Filing: 1953-04-23
•
Granted: 1955-11-01
•
Expires: 1973-04-23
Abstract
No abstract record available.
Inventors
- 👤 Griffith W Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:29
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; B60K15/0409
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR378116A
Cited
US1176989A
Cited
US1369646A
Cited
GB302787A
Cited
US2102962A
Cited
US2179136A
Cited
US2316923A
Cited
US2480692A
Cited
US2581536A
Cited
US2597576A
Cited
US2581537A
Cited
US2616584A
Cited
US2675939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |