US2498716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detention screen suspension
Assignee: CHAMBERLIN Co OF AMERICA
•
Filing: 1945-12-31
•
Granted: 1950-02-28
•
Expires: 1965-12-31
Abstract
No abstract record available.
Inventors
- 👤 Seide Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:03
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US207462A
Cited
US257543A
Cited
US478506A
Cited
US534817A
Cited
GB189906280A
Cited
US1461441A
Cited
US1745661A
Cited
US2197489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |