US2145733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter and ejector for cigarette and cigar holders
Assignee: Individual
•
Filing: 1938-02-01
•
Granted: 1939-01-31
•
Expires: 1958-02-01
Abstract
No abstract record available.
Inventors
- 👤 Palumbo Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:34
CPC Classifications
A; A24; A24F; A24F13/00; A24F13/02; A24F13/10; A24F13/04; A24F13/06
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) | 1942-01-30 | 1942-08-01 | 1943-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-30 | 1946-08-01 | 1947-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-30 | 1950-08-01 | 1951-01-31 | $7700.00 | Window Closed / Lapsed |