US3492998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filtering arrangement for smoking articles
Assignee: JOHN A MASCARO
•
Filing: 1969-04-30
•
Granted: 1970-02-03
•
Expires: 1989-04-30
Abstract
No abstract record available.
Inventors
- 👤 John A Mascaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:32
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/04; A24D3/045; Y; Y10; Y10S; Y10S55/00; Y10S55/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE25495C
Cited
US1983926A
Cited
US2126422A
Cited
US2815760A
Cited
US2847086A
Cited
NL6500757A
Cited
US3313309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |