US2518134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable cover and service bar
Assignee: —
•
Filing: 1946-12-18
•
Granted: 1950-08-08
•
Expires: 1966-12-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:16
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0404; A47F3/0408; A47F3/0413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1547345A
Cited
USRE20966E
Cited
US938554A
Cited
US1321097A
Cited
US1979625A
Cited
GB381347A
Cited
US2073955A
Cited
US1978565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |